Green tea extract Spec: 50% 60% 70% 80% 90% 95% 98% ISO 9001:2000,MOQ 5g 1Product name: GREEN TEA EXTRACTPlant source: leaf of camellia sinensis O Ktunze (thea sinensis L.)Chemical composition: tea polyphenols are composed by more than 30 component, it has 4 taypes as their chemical construction: catechin, flavone, flavonol, anthocyania, phenolic acid, and catechin is most high and accounts for ...