Division Definition
United Kingdom
Rooster comb extract is obtained from Gallus gallus by enzymatic hydrolysis of rooster comb and by subsequent filtration, concentration and precipitation steps. The principal constituents of rooster comb extract are the glycosaminoglycans hyaluronic acid, chondroitin sulphate A and dermatan sulphate (chondroitin sulphate B).
| Hyaluronic acid | 60-80 % |
| Chondroitin sulphate A | Not more than 5 % |
| Dermatan sulphate (chondroitin sulphate B) | Not more than 25 % |