Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent
NORM herausgegeben am 16.3.2005
Bezeichnung normen: ISO 14502-1:2005
Ausgabedatum normen: 16.3.2005
Zahl der Seiten: 10
Gewicht ca.: 30 g (0.07 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: 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.