Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent
NORMA vydána dne 16.3.2005
Designation standards: ISO 14502-1:2005
Publication date standards: 16.3.2005
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: International technical standard
Kategorie: Technické normy 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.