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 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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

67.140.10

Statut:

Publié

Date de Publication:

2005-03-15

Numéro Standard:

ISO 14502-1:2005