類別: 玻尿酸Hyaluronic acid

D-葡萄醣醛酸及N-乙酰葡糖胺組成的雙醣單位玻尿酸(Hyaluronan),又稱醣醛酸、透明質酸,基本結構是由兩個雙醣單位D-葡萄醣醛酸及N-乙酰葡糖胺組成的大型多醣類。與其它粘多醣不同,它不含硫。它的透明質分子能攜帶500倍以上的水分,為當今所公認的最佳保濕成分,廣泛的應用在保養品和化妝品中。Hyaluronan, a disaccharide unit composed of D-glucuronic acid and N-acetylglucosamine, is also called uronic acid and hyaluronic acid. The basic structure is composed of two disaccharide units, D-glucuronic acid and N-acetyl. A large polysaccharide composed of glucosamine. Unlike other mucopolysaccharides, it does not contain sulfur. Its hyaluronic molecule can carry more than 500 times of water, which is recognized as the best moisturizing ingredient today, and is widely used in skin care products and cosmetics.