A kind of simple aqueous two-phase system composed of acetone,inorganic salt and water was used to separate and purify carthamine from safflower petals.

• 近年来,双水相萃取技术因具有高效、温和,操作简便,容易放大和保持生物活性等特点被广泛应用于生物产品的分离和纯化过程。