Specifies a method for the determination of the total polyphenol content of leaf tea and instant tea by a colorimetric assay using Folin-Ciocalteu phenol reagent..
Specifies a high-performance liquid chromatographic (HPLC) method for the determination of the total catechin content of tea from the summation of the individual catechins..
Specifies the requirements and methods of sampling and test for dextrose
monohydrate (glucose powder) intended for human consumption as food and industrial applications...
Specifies requirements, sampling and test methods for cassava pellets obtained
from cassava (Manihot esculenta Crantz) intended for human consumption..