ISO 18447:2021
International Standard
Current Edition
·
Approved on
10 June 2021
Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography
ISO 18447:2021 Files
English
19 Pages
Current Edition
USD
174.58
ISO 18447:2021 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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