Rosemary Extract is a natural antioxidant and can be used in food and feed. We can supply you as follows: 1.Water soluble: rosemary acid 1%, 2%, 3%, 4%, 5%, 10%, 20% 2.Oleoresin soluble: Carnosic acid 5%, 10%, 15% 3.Carnosic acid: 30% 4.Carnosol: 20%