标准摘要
[中文适用范围]： ISO 14502的这一部分规定了使用Folin-Ciocalteu苯酚试剂通过比色测定测定叶茶和速溶茶总多酚含量的方法[4]。 它适用于绿茶和红茶产品。 [外文原描述]： ISO 14502-1:2005 specifies a method for the determination of the total polyphenol content of leaf teas and instant teas by a colorimetric assay using Folin-Ciocalteu phenol reagent. It is applicable to both green and black tea products.
英文名称Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent