本文件规定了一种使用液相色谱法结合免疫亲和柱净化萃取法定量测定固体（即粉末）或液体（即即食液体和液体浓缩物）形式的强化奶粉、婴儿配方奶粉和成人营养品中生物素和/或生物素的方法。 附录B中给出了实验室间研究的精度数据。附录C中给出了用本文件中的方法获得的数据与EN 15607之间的比较。交叉引用:EN 15607:2009ISO 5725-2:1994购买本文件时可获得的所有当前修改件均包含在购买本文件中。

This document specifies a method for the quantitative determination of biotin and/or biocytin in fortified milk powders, infant formula and adult nutritionals in solid (i.e. powders) or liquid (i.e. ready-to-feed liquids and liquid concentrates) forms using liquid chromatography coupled with immunoaffinity column clean-up extraction. Precision data from an interlaboratory study is given in Annex B. A comparison between data obtained with the method in this document and EN 15607 is given in Annex C.Cross References:EN 15607:2009ISO 5725-2:1994All current amendments available at time of purchase are included with the purchase of this document.