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ISO 18447:2021

Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 18447:2021
Document Year: 2021
Pages: 19
Edition: 1

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ISO 18447:2021
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