标准摘要
[中文适用范围]： 本标准规定了测定茶叶中四种主要茶黄素含量的高效液相色谱（HPLC）或超高效液相色谱（UHPLC）方法。 它适用于叶茶和速溶红茶和乌龙茶。 该方法目前尚未针对即饮 (RTD) 饮料进行验证。 [外文原描述]： This document specifies a high performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) method for the determination of content of the four major theaflavins of tea. It is applicable to both leaf and instant black and oolong teas. The method is currently not validated for ready-to-drink (RTD) beverages.
英文名称Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography