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ISO 18447:2021

Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography ISO 18447:2021

Publication date:   Jun 10, 2021

General information

60.60 Standard published   Jun 10, 2021

ISO

ISO/TC 34/SC 8 Tea

International Standard

67.140.10   Tea

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Scope

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.

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PUBLISHED
ISO 18447:2021
60.60 Standard published
Jun 10, 2021