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

This document has been re-assessed by the committee, and judged to still be up to date.

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.

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Amendment history

ISO 14502-1:2005/Cor 1:2006 . - This amendment must be purchased separately. Published 24/03/2006.

Publishing information

Status: CURRENT

Published: 16/03/2005

Pages: 10

ICS codes

International Classification for Standards (ICS) is an international classification system for technical standards. It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used.

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67.140.10 Tea