BH GSO ISO 18447:2023

ISO 18447:2021
Bahraini Standard   Current Edition · Approved on 10 December 2023

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

BH GSO ISO 18447:2023 Files

BH GSO ISO 18447:2023 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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