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ISO 14502-1:2005

Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent ISO 14502-1:2005

Publication date:   Mar 16, 2005

General information

90.93   Standard confirmed   Sep 26, 2025

ISO

ISO/TC 34/SC 8 Tea

International Standard

67.140.10   Tea

Buying

Published

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Scope

ISO 14502-1:2005 specifies a method for the determination of the total polyphenol content of leaf teas and instant teas by a colorimetric assay using Folin-Ciocalteu phenol reagent. It is applicable to both green and black tea products.

Life cycle

NOW

PUBLISHED
ISO 14502-1:2005
90.93 Standard confirmed
Sep 26, 2025

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 14502-1:2005/Cor 1:2006




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