... natural, efficient and stable(high temperature durable), security, non-toxic and side-effects, water-soluble antioxidants and a green food additive ... 25%, 30%Testing ways: HPLCFunctiona.A natural antioxidant,which is widely used in food, functional foods, spices and condiments and ... use it.SafetyRosmarinic acid is a natural anti-oxidant extracted from the Rosemary.Package25kg/drum,double layers plastic ...