透明质酸
Hyaluronic acid 透明质酸 from bovine vitreous humor 类白色海绵状冻干物. The range of MW is 70,000 to 2-4 million Da Hyaluronic acid (HA) preparations have variableMW dependingonpurification procedures, the extent of degradation, as well as the source. Bovine vitreous humor HA has a lower MW than most other sources. The hyaluronic acid is a class of macromolecular proteoglycans characterized by a highly polymerized chain of glucuronic acid, N acetylglucosamine units bound to protein. A partialy purified powder. Suitable as a substrate for hyaluronidase assay. |