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

Publication date: Mar 16, 2005

General information

Current stage: 90.93 Effective date: Jun 29, 2020

Originator: ISO

Owner: ISO/TC 34/SC 8

Type: International Standard

ICS: 67.140.10

Languages: English

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Status: 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
Jun 29, 2020

CORRIGENDA / AMENDMENTS

Corrected by
ISO 14502-1:2005/Cor 1:2006

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