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protein content in food

protein content in food, Total:374 items.

In the international standard classification, protein content in food involves: Food products in general, Milk and milk products, Fruits. Vegetables, Processes in the food industry, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Biology. Botany. Zoology, Tobacco, tobacco products and related equipment, Wood, sawlogs and sawn timber, Adhesives, Cereals, pulses and derived products, Animal feeding stuffs, Edible oils and fats. Oilseeds, Quality, Microbiology, Laboratory medicine, Medical equipment, Raw materials for rubber and plastics, Products of the chemical industry, Paint ingredients, Information sciences. Publishing, Spices and condiments. Food additives, Textile fibres, Materials and articles in contact with foodstuffs, Paper and board, Measurement of volume, mass, density, viscosity.

Professional Standard - Commodity Inspection, protein content in food

SN/T 3926-2014 Determination of protein content in dairy foods, egg foods and soy foods for export.Coomassie brilliant blue method
SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export
SN/T 1113-2002 Determination method of phycocyanin and chlorophyll content in spirulina powder for import and export
SN/T 2497.20-2010 Test method of import and export dangerous chemicals-Part 20: Determination of protein content using Bradford method
SN/T 3622-2013 Determination of 2-chloroaniline in foodstuffs for export.LC/MS/MS method
SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle
SN/T 2280-2009 Materials and articles in contact with foodstuffs.Plastics substances subject to limitation.Guide to test methods for the specific migration of substances from plastics to foods and food simulants and the Determination of substances in plastics and the se
SN/T 4396-2015 Determination of fluorescent whitening agent 85、fluorescent whitening agent 71 and fluorescent whitening agent 113 in foodstuffs for export.LC-MS/MS method
SN/T 3727-2013 Determination of iodide content in foods for export.Ion chromatography

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, protein content in food

GB/T 5009.5-2003 Determination of protein in foods
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 15673-2009 Determination of crude protein in edible mushroom
GB/T 15673-1995 Method for determination of crude protein in edible fungi
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 5009.194-2003 Determination of immunoglobulin in health foods
GB/T 5413.1-1997 Milk powder and formula foods for infant and young children--Determination of protein
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
GB/T 5009.208-2008 Determination of biogenic amine in foods
GB/T 5009.215-2008 Determination of organotins in foods
GB/T 5009.191-2006 Determination of chloropropanols in foods
GB/T 24870-2010 Inspection of grain and oils-Crude protein and crude fat determination in soybean-Near-infrared method
GB/T 5009.170-2003 Determination of melatonin in health foods
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 5009.191-2003 Determination of 3-monochloro-1,2-propane-diol in foods
GB/T 5009.190-2006 Determination of indicator polychlorinated biphenyls in foods
GB/T 5009.195-2003 Determination of chromium picolinate in health foods
GB/T 5009.204-2005 GC-MS method for determination of acrylamide in food
GB/T 23296.1-2009 Materials and articles in contact with foodstuffs.Plastics substances subject to limitation.Guide to test methods for the specific migration of substances from plastics to foods and food simulants and the determination of substances in plastics and select

HU-MSZT, protein content in food

German Institute for Standardization, protein content in food

DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
DIN EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN EN ISO 23319:2023-01 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022); German version EN ISO 23319:2022
DIN EN ISO 23319:2023 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
DIN ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments (ISO 9622:1999)
DIN 10454:1983 Determination of protein content of caseins and caseinates; reference method
DIN EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN EN ISO 21572:2020-02 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019); German version EN ISO 21572:2019
DIN EN ISO 16634-1:2009-07 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); German version EN ISO 16634-1:2008
DIN EN 14663:2006 Foodstuffs - Determination of vitamin B6 (including its glycosylated forms) by HPLC; English version of DIN EN 14663:2006-03
DIN EN ISO 21572:2020 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019)
DIN EN ISO 16634-2:2016-11 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016); German version EN ISO 16634...
DIN EN 13130-3:2004 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 3: Determination of acrylonitrile in food and food simulants; German version EN 13130-3:2004
DIN EN 920:2000-12 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract; German version EN 920:2000
DIN EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); English version of DIN EN ISO 5983-1
DIN EN ISO 20418-1:2018-08 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018); German version EN ISO 20418-1:2018
DIN EN ISO 20418-3:2020-11 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020); German version EN ISO 20418-3:2020
DIN 10473:1997-12 Determination of acid soluble <beta>-lactoglobulin content of heat-treated milk - Reversed phase, high performance liquid chromatographic method
DIN EN 13130-2:2004 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 2: Determination of terephthalic acid in food simulants; German version EN 13130-2:2004
DIN EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods (ISO 21572:2013); German version EN ISO 21572:2013
DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method (ISO 5983-2:2005); German version EN ISO 5983-2:2005
DIN EN 13130-5:2004 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 5: Determination of vinylidene chloride in food simulants; German version EN 13130-5:2004

IN-BIS, protein content in food

Professional Standard - Agriculture, protein content in food

GB/T 5009.5-1985 Determination method of protein in food
SN/T 5071-2018 Determination of 19 Non-protein Nitrogenous Compounds in Export Food by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
GB 5009.5-2010(XG1-2014) Amendment No. 1 of "National Food Safety Standard for the Determination of Protein in Food"
NY/T 2007-2011 Determination of the crude protein content in cereal and pules seeds by combustion according to the dumas principle
NY/T 1678-2008 Determination of protein in milk and dairy products biuret spectrophotometry method
水产品质量安全检验手册 2.5.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 5 Determination of Protein Content in Aquatic Products (GBT 5009.5-2003) 1. Method 1
水产品质量安全检验手册 2.5.2.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 5 Determination of Protein Content in Aquatic Products (GBT 5009.5-2003) 2. Method 2
SN/T 5094-2018 Determination of fipronil residues in poultry eggs and egg products for export by liquid chromatography-mass spectrometry
农业部2630号公告-16-2017 Bioinformatics analysis method for amino acid sequence similarity of exogenous proteins, toxic proteins and anti-nutritional factors for the food safety detection of genetically modified organisms and their products

AT-ON, protein content in food

ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content

British Standards Institution (BSI), protein content in food

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
BS EN ISO 21572:2013 Foodstuffs. Molecular biomarker analysis. Protein-based methods
BS DD CEN ISO/TS 16634-2:2010 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Cereals, pulses and milled cereal products
20/30376375 DC BS ISO 23319. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
BS EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
BS ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
BS ISO 9622:2013 Milk and liquid milk products. Guidelines for the application of mid-infrared spectrometry
BS EN ISO 23319:2022 Tracked Changes. Cheese and processed cheese products, caseins and caseinates. Determination of fat content. Gravimetric method
BS EN ISO 20483:2013 Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
BS EN ISO 21572:2019 Foodstuffs. Molecular biomarker analysis. Immunochemical methods for the detection and quantification of proteins
BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
BS EN ISO 16634-2:2016 Tracked Changes. Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Cereals, pulses and milled cereal products
BS DD CEN/TS 15111:2005 Foodstuffs - Determination of trace elements - Determination of iodine in dietetic foods by ICP-MS (inductively coupled plasma mass spectrometry)
BS EN ISO 20418-1:2018 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-ESI-MS with protein reduction
BS EN ISO 20418-3:2020 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-MS without protein reduction
BS ISO 17129:2006 Milk and milk products - Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE) - Screening method
BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid

Taiwan Provincial Standard of the People's Republic of China, protein content in food

CNS 5035-1986 Method of Test for Crude Protein in Food
CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content

International Organization for Standardization (ISO), protein content in food

ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 5983:1979 Animal feeding stuffs; Determination of nitrogen content and calculation of crude protein content
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 23319:2022 | IDF 250 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 23319:2022 | IDF 250:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates — Determination of fat content — Gravimetric method
ISO 20483:2013 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
ISO 9622:1999 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
ISO 5542:1984 Milk; Determination of protein content; Amido black dye-binding method (Routine method)
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ISO 21572:2019 Foodstuffs — Molecular biomarker analysis — Immunochemical methods for the detection and quantification of proteins
ISO 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO/TS 17837:2008 Processed cheese products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
ISO/TS 17837:2008|IDF/RM 25:2008 Determination of nitrogen content and calculation of crude protein content in milk and milk products Kjeldahl method
ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
ISO 20418-3:2020 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction
ISO 5983-1:2005/cor 1:2008 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method; Technical Corrigendum 1
ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
ISO 21572:2004/Cor 1:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods; Technical Corrigendum 1
ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
ISO 17129:2006 Milk powder - Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE) - Screening method
ISO 17129:2006|IDF 206:2006 Screening method for determination of protein content of soybeans and peas in milk powder using capillary electrophoresis in sodium dodecyl sulfate (SDS-CE)

AR-IRAM, protein content in food

ZA-SANS, protein content in food

SANS 1159:2003 The production of pre-cooked frozen foods containing protein
SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives
SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content
SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
SANS 9622:2005 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
SANS 5187:2006 Fatty matter content of soap products

National Health Commission of the People's Republic of China, protein content in food

GB 5009.5-2010 National food safety standard Determination of Protein in foods
GB 5009.5-2016 National food safety standard Determination of protein in food
GB 5009.224-2016 Determination of Trypsin Inhibitor Activity in Soybean Products of National Food Safety Standard
GB 5009.215-2016 National Food Safety Standards Determination of Organotin Content in Food
GB 5009.190-2014 Determination of indicative polychlorinated biphenyl content in food according to national food safety standards

CEN - European Committee for Standardization, protein content in food

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 5983-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion/steam distillation method
EN 920:1994 Paper and Board Intended to Come into Contact with Foodstuffs - Determination of Water- Soluble Matter
EN ISO 8968-1:2001 Milk - Determination of Nitrogen Content - Part 1: Kjeldahl Method

Association Francaise de Normalisation, protein content in food

NF EN ISO 8968-4:2016 Lait et produits laitiers - Détermination de la teneur en azote - Partie 4 : détermination de la teneur en azote protéique et non protéique et calcul de la teneur en protéines vraies (Méthode de référence)
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
NF V47-101:1993 Agricultural and food produits. Determination of lactic acid L(+) content of egg products.
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
NF V47-100:1993 Agricultural and food products. Determination of D3-hydroxybutyric acid content of egg products.
NF EN ISO 14244:2016 Tourteaux de graines oléagineuses - Détermination de la teneur en protéines solubles en solution d'hydroxyde de potassium
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V04-558*NF EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method
NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF V03-021:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
NF EN ISO 21572:2019 Produits alimentaires - Analyse des biomarqueurs moléculaires - Méthodes immunochimiques pour la détection et la quantification des protéines
NF V03-750*NF EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF EN ISO 16634-2:2016 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 2 : céréales, légumineuses et produits céréaliers de mouture
NF V04-216:1985 Milk. Determination of protein content. Amido black dye-binding method (routine method).
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF V04-216:2011 Milk - Determination of protein content - Amido black dye-binding method (routine method).
NF V03-767-2*NF EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2 : cereals, pulses and milled cereal products
NF V18-100-2*NF EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion and steam distillation method.
NF EN 15948:2020 Céréales - Détermination de la teneur en eau et en protéines - Méthode utilisant la spectroscopie dans le proche infrarouge sur des grains entiers
NF EN ISO 20418-3:2020 Textiles - Analyse protéomique qualitative et quantitative de certaines fibres animales - Partie 3 : détection des peptides par LC-MS sans réduction protéique
NF EN ISO 16634-1:2008 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 1 : graines oléagineuses et aliments des animaux
NF EN ISO 8968-1:2014 Lait et produits laitiers - Détermination de la teneur en azote - Partie 1 : méthode Kjeldahl et calcul de la teneur en protéines brutes
NF EN ISO 20418-1:2018 Textiles - Analyse protéomique qualitative et quantitative de certaines fibres animales - Partie 1 : détection des peptides par LC ESI MS avec réduction protéique
NF V04-363:1985 Dried milk - Determination of the quantity of instant powder milk in animal feeding stuffs - Method of enzymatic coagulation of paracasein
NF Q03-093*NF EN 920:2000 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract
NF G06-007-3*NF EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3 : peptide detection using LC-MS without protein reduction
NF EN 920:2000 Papiers et cartons destinés à entrer en contact avec les denrées alimentaires - Détermination de la teneur en matières sèches dans un extrait aqueux
NF V03-001:1997 FOODSTUFFS. DETECTION OF IRRADIATED FOOD CONTAINING FAT. GAS CHROMATOGRAPHIC/MASS SPECTROMETRIC ANALYSIS OF 2-ALKYLCYCLOBUTANONES. (EUROPEAN STANDARD EN 1785).
NF G06-007-1*NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1 : peptide detection using LC-ESI-MS with protein reduction
NF EN 16858:2017 Produits alimentaires - Détermination de la teneur en mélamine et en acide cyanurique dans les produits alimentaires par chromatographie en phase liquide couplée à la spectrométrie de masse en tandem (CL-SM/SM)
NF V03-003:2001 Foodstuffs - Detection of irradiated food containing cellulose by ESR spectroscopy
NF V03-003:1997 FOODSTUFFS. DETECTION OF IRRADIATED FOOD CONTAINING CELLULOSE. METHOD BY ESR SPECTROSCOPY. (EUROPEAN STANDARD EN 1787).
NF V03-000:1997 FOODSTUFFS. DETECTION OF IRRADIATED FOOD CONTAINING FAT. GAS CHROMATOGRAPHIC ANALYSIS OF HYDROCARBONS. (EUROPEAN STANDARD EN 1784).
NF V18-100-2:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2 : block digestion/steam distillation method.
NF V03-722:1990 {durum}. Identification of variety by electrophoresis of proteins in polyacrylamide gel containing sodium docecylsulfate.

未注明发布机构, protein content in food

BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
DIN EN ISO 21572:2004 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
DIN EN ISO 21572 Berichtigung 1:2005 Food – Methods for the detection of genetically modified organisms and their products – Protein methods

ES-UNE, protein content in food

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
UNE-EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
UNE-EN ISO 21572:2020 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019)
UNE-EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016)
UNE-EN ISO 20418-1:2019 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction (ISO 20418-1:2018)
UNE-EN ISO 20418-3:2021 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)

Standard Association of Australia （SAA）, protein content in food

AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
AS 2300.4.8:1994 Methods of chemical and physical testing for the dairying industry - Dried milk and dried milk products - Determination of undenatured whey protein nitrogen (UDWPN) in dried skim milk
AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation

CZ-CSN, protein content in food

CSN 57 0153-1986 Testing methods for meat products and sterilized food in preserves. Determination of protein content according to Kjeldahl
CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
CSN 56 0512-12-1995 Methods of milled produets analysis - Part 12: Determination of protein content
CSN 57 0105 Cast.5-1984 Powdered and condensed milk products. Testing methods. Determination of protein content
CSN 46 7092-27-1998 Testing methods for feeding stuffs - Part 27: Determination of the protein content
CSN 46 1011 Cast.18-1988 Testing of cereals, legumes and oil-bea-ring crops. Cereal testing. Crude protein determination.

PL-PKN, protein content in food

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content
PN BN 8090-01-1966
PN-EN ISO 20418-3-2020-12 E Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)

RO-ASRO, protein content in food

STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion
STAS 6514-1975 FISH AND FISH PRODUCTS Determination of total proteic matters
STAS SR 4895-6-1997 Tobacco and tobacco prodocts Determination of total proteins content (albumines)
SR ISO 5549:1996 Caseins and caseinates - Determination of protein content (Reference method)
STAS 12311-1985 Agroalimentary products FLOUR Determination of potassium 40 content
STAS 12379-1985 Agroalimentary products. Flour Determination of 226 radium content

European Committee for Standardization (CEN), protein content in food

EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN ISO 21572:2019 Foodstuffs - Molecular biomarker analysis - Immunochemical methods for the detection and quantification of proteins (ISO 21572:2019)
EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
EN ISO 23319:2022 Cheese and processed cheese products, caseins and caseinates - Determination of fat content - Gravimetric method (ISO 23319:2022)
EN ISO 20483:2013 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals@ pulses and milled cereal products
EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 1: Peptide detection using LC-ESI-MS with protein reduction
EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)
EN 920:2000 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract
EN 920:1998 Paper and Board Intended to Come into Contact with Foodstuffs - Determination of Dry Matter Content in an Aqueous Extract
EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods Incorporating Corrigendum February 2005

Korean Agency for Technology and Standards (KATS), protein content in food

KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2021 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H ISO 9622:2006 Whole milk－Determination of milkfat, protein and lactose content－Guidance on the operation of mid-infrared instruments
KS H ISO 5542:2006 Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS H ISO 9622:2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS H ISO 5542:2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS H ISO 5542-2006(2016) Milk－Determination of protein content－Amido black dye-binding method(Rountine method)
KS J ISO 21572:2009 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
KS J ISO 21572-2009(2019) Foodstuffs－Methods for the detection of genetically modified organisms and derived products－Protein based methods
KS H ISO 9622-2006(2016) Whole milk -- Determination of milkfat, protein and lactose content -- Guidance on the operation of mid-infrared instruments
KS K ISO 20418-1:2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction

KR-KS, protein content in food

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 9622-2021 Whole milk — Determination of milkfat, protein and lactose content — Guidance on the operation of mid-infrared instruments
KS H ISO 5542-2021 Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS K ISO 20418-1-2022 Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 1: Peptide detection using LC-ESI-MS with protein reduction

AENOR, protein content in food

UNE 34871:1986 PROCESSED CHEESE PRODUCTS. DETERMINATION OF THE PROTEIN CONTENT.
UNE 34827:1983 DETERMINATION OF THE CASEIN CONTENT OF MILK.
UNE-EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods (ISO 21572:2013)
UNE-EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
UNE-EN 920:2001 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract.
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.

国家市场监督管理总局、中国国家标准化管理委员会, protein content in food

GB/T 38086-2019 Determination of metallothionein (MT) in biological samples
GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture, protein and fat—Near-infrared spectroscopy method
GB/T 38339-2019 Determination of phosphorus content in fluorescent brightener products

Lithuanian Standards Office , protein content in food

LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST 1984-2006 Foodstuffs - Determination of preservatives content in fatty foods
LST EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)
LST EN ISO 21572:2004/AC:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)
LST ISO 9622:2000 Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments (idt ISO 9622:1999)
LST EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
LST EN 920-2001 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract

VN-TCVN, protein content in food

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method
TCVN 8766-2011 Milk and milk products.Determination of protein content.Acid orange 12 dye-binding method
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method
TCVN 7774-2007 Milk.Determination of protein content.Amido black dye-binding method (Routine method)
TCVN 6835-2001 Whole milk.Determination of milktat, protein and lactose content.Guidance on the operation of mid-infrared instruments
TCVN 7607-2007 Foodstuffs.Methods of analysis for the detection of genetically modified organisms and derived products.Protein based methods
TCVN 4587-1988 Canned foods.Determination of mineral foreign matter content
TCVN 4328-2-2011 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 2: Block digestion and steam distillation method

Professional Standard - Tobacco, protein content in food

YC/T 166-2003 Tobacco and tobacco products-Determination of total proteins content (Albumins)

TN-INNORPI, protein content in food

NT 14.51-1983

ES-AENOR, protein content in food

GOSTR, protein content in food

GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications
GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
GOST 34536-2019 Milk and milk products. Determination of mass fraction of whey proteins by Kjeldahl method

Group Standards of the People's Republic of China, protein content in food

T/BPCT 001-2023 Determination of A2 β-casein content in cow milk and cow milk products by high performance liquid chromatography-mass spectrometry
T/CSIQ 77001-2020 Determination of α-Lactalbumin contents in dairy products— HPLC method
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
T/CIFST 006-2021 Detection of lactoferrin in foods —— enzyme-linked immunosorbent assay method
T/GXAS 357-2022 Rapid screening of protein content in fresh wet rice noodles by near infrared spectroscopy
T/TDSTIA 028-2022 Determination of osteopontin in foods for infants and young children, milk and milk products -High performance liquid chromatograph
T/LNIQA 010-2023 Determination of methylselenocysteine and selenomethionine in selenium-enriched foods
T/CCAA 70-2023 Determination of lactoferrin in bovine infant formula by liquid chromatography tandem mass spectrometry
T/SNHFA 012-2021 Determination of Sodium Hyaluronate Content in Food by High Performance Liquid Chromatography
T/SATA 057-2023 Determination of silicon dioxide in foods Gravimetric method

International Dairy Federation (IDF), protein content in food

IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method
IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

Danish Standards Foundation, protein content in food

DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods
DS/ISO 9622:2000 Whole milk - Determination of milkfat, protein and lactose content - Guidance on the operation of mid-infrared instruments
DS/CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
DS/EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
DS/EN 920:2001 Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract
DS/INF 81:1993 Guide to EN 29000. Quality management in food processing

IX-FAO, protein content in food

CAC/GL 4-1989(En) General guidelines for vegetable protein products (VPP) used in food
CAC/GL 4-1989(Ch) General guidelines for vegetable protein products (VPP) used in food
CAC/GL 74-2010 Guidelines on performance criteria and validation of methods for detection, identification and quantification of specific dna sequences and specific proteins in foods
CAC/GL 74-2010(En) Guidelines for performance standards and validation methods for the detection, identification and quantification of specific DNA sequences and specific proteins in foods

RU-GOST R, protein content in food

GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
GOST 23327-1978 Milk. Methods for determination of the total protein content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST R ISO 16634-1-2011 Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Part 1. Oilseeds and animal feeding stuffs
GOST 32740-2014 Foodstuffs of processed poultry eggs. Determination of lipid phosphorus content by colorimetric method
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat
GOST R 53951-2010 Milk and milk-containing products. Determination of mass part of protein by Kjeldahl method
GOST R 57108-2016 Specialized food products. Order to control the content of nanomaterials in food
GOST ISO/TS 17837-2013 Processed cheese products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
GOST R 54980-2012 Food additives. Methods for identification and determination of mass fraction of calcium-content ingredient in the lactate-containing food additives
GOST R 54979-2012 Food additives. Methods for identification and determination of mass fraction of iodine-content ingredient in the lactate-content food additives
GOST R 54979-2012(2019) Food additives. Methods for identification and determination of mass fraction of iodine-content ingredient in the lactate-content food additives
GOST R 54980-2012(2019) Food additives. Methods for identification and determination of mass fraction of calcium-content ingredient in the lactate-containing food additives
GOST 33334-2015 Food additives. Complexonometric method for determination the content of basic matter in food additive the calcium gluconate E578
GOST 1594-1969 Apparatus for quantitative determination of water content in petroleum, food and other products. Specifications
GOST R 52995-2008 Milk powder. Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE). Screening method

其他未分类, protein content in food

BJS 201915

CH-SNV, protein content in food

SN 210 100-1987 Technical drawings - Sizes and layout of drawing sheets
SN EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of some animal hair fibres - Part 3: Peptide detection using LC-MS without protein reduction (ISO 20418-3:2020)

PT-IPQ, protein content in food

NP 2935-1988

TH-TISI, protein content in food

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method
TIS 2255.2-2005 Animal feeding stuffs-determination of nitrogen content and calculation of crude protein content.part 2: block digestion/steam distillation method

American Society for Testing and Materials (ASTM), protein content in food

ASTM D6499-00 Standard Test Method for the Immunological Measurement of Antigenic Protein in Natural Rubber and its Products
ASTM D6499-03 Standard Test Method for the Immunological Measurement of Antigenic Protein in Natural Rubber and its Products
ASTM D6499-07 Standard Test Method for The Immunological Measurement of Antigenic Protein in Natural Rubber and its Products
ASTM D5712-99 Standard Test Method for the Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry Method
ASTM D6499-12 Standard Test Method for The Immunological Measurement of Antigenic Protein in Natural Rubber and its Products

国家药监局, protein content in food

YY/T 1805.3-2022 Tissue engineering medical device product collagen Part 3: Collagen content detection based on characteristic peptide determination - liquid chromatography-mass spectrometry

Jiangsu Provincial Food Standard of the People's Republic of China, protein content in food

DBS32/ 011-2016 Local food safety standards for the determination of α-lactalbumin in infant formula milk powder by gel chromatography

YU-JUS, protein content in food

JUS E.K8.048-1997 Vegetable fats and oils - Determination ofeggyolk content in mayonnaise and related products - Gravimetric mcthod (Reference method)
JUS E.K8.050-1997 Vegetable fats and oils - Determination of total fat content in mayonnaise and related products
JUS E.K8.049-1997 Vegetable fats and oils - Determination of eggyolk content in mayonnaise and related products - Spectrophotometric anafysis (Routine method)

Shandong Provincial Standard of the People's Republic of China, protein content in food

DB37/T 4010-2020 Determination method of donkey-hide gelatin content in foods containing donkey-hide gelatin

工业和信息化部, protein content in food

QB/T 5397-2019 Determination of isoflavone content in soy foods

UY-UNIT, protein content in food

UNIT 629-1981

海关总署, protein content in food

SN/T 5217-2019 Determination of brominated vegetable oil content in exported foods
SN/T 5218-2019 Determination of Acetyl Ricinoleate Content in Exported Foods

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, protein content in food

GB/T 33401-2016 Determination of the urea in liquid fluorescent whitening agent products

Anhui Provincial Standard of the People's Republic of China, protein content in food

DB34/T 1537-2011 Determination of Curcumin in food Liquid chromatography