Carnosic acid (CAS No.:3650-09-7, C20H28O4）is a natural benzenediol abietane diterpene found in rosemary (Rosmarinus officinalis) and common sage (Salvia officinalis). Dried leaves of rosemary and sage contain 1.5 to 2.5% carnosic acid. Carnosic acid and carnosol, a derivative of the acid, are used as antioxidant preservatives in food and nonfood products, where they're labelled as "extracts of rosemary"
Carnosic acid: We do supercritical fluid extraction of Carnosic acid; it is safe and applicable in edible oil, food supplements, meat products, food, cosmetics, pet food, etc.