GB/T 12390-1990
Method for determination of thiamine (vitamin B1) in foods

Be replaced

Standard No.

GB/T 12390-1990

Language

Chinese

Release Date

1990

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Replace By

GB/T 5009.84-2003

Lastest

GB 5009.84-2016

Scope

This standard specifies the method for the determination of thiamine content in food by fluorescence assay. This standard is applicable to the determination of thiamine in various foods, but not applicable to substances with the ability to adsorb thiamine and samples containing substances that affect the fluorescence of pyrantel. The minimum detection limit of this method is 0.05 μg.

GB/T 12390-1990 history

• 2016 GB 5009.84-2016 Determination of Vitamin B1 in Food Safety National Standard Food
• 2003 GB/T 5009.84-2003 Determination of thiamine(vitamin B1) in foods
• 1990 GB/T 12390-1990 Method for determination of thiamine (vitamin B1) in foods

GB/T 12390-1990 was changed to GB/T 5009.84-2003 Determination of thiamine(vitamin B1) in foods.