DS/EN ISO 9936/A1:2011 动植物油脂 高效液相色谱法测定生育酚和生育三烯酚含量 修正案1:试剂的更新和统计数据有效性的确认
Animal and vegetable fats and oils - Determination of tocopherol and tocotrienol contents by high-performance liquid chromatography - Amendment 1: Updating of reagents and confirmation of statistical data validity
This International Standard specifies a method for the determination of the contents of free alpha-, beta-, gamma-, and delta-tocopherols and tocotrienols (referred to jointly as tocols) in animal and vegetable fats and oils (referred to hereinafter as fats) by high-performance liquid chromatography (HPLC).For products containing tocopherol or tocotrienol esters, it is necessary to carry out a preliminarysaponification.NOTE A suitable method involving a cold saponification procedure is described in Annex B for information only.