... , medicine, daily chemical industry, biochemistry and so on. Carrageenan (also called carrageen gum) is a kind of natural ... of elasticity and water preserving capability. In food industry, carrageenan can be used as gelling agent, thickener, stabilizer, suspending ... toothpaste, detergent, cosmetics and air freshener; In biochemistry, carrageenan can be used as carrier of microorganism and immobilized ...