... Extract Active ingredient: tea polyphenols, EGCG Test method:UV ISO,Kosher,HALAL certificates organic Green Tea Extract100% natural plant ... extractActive ingredient: tea polyphenols, EGCG Test method:UV ISO,Kosher,HALAL certificates munufacturer organic Green Tea Extract Introduction ... , which are a class of bioflavonoids. Green tea extract contains a potent antioxidant, EGCG, which is over ...