Methods Abstracted collagen from bovine achilles by enzymolysis ; Turned chintin to chitosan by dense alkali.

方法采用酶解法从牛跟腱中提取胶原蛋白；

youdao

Methods Abstracted collagen from bovine achilles by enzymolysis ; Turned chintin to chitosan by dense alkali.

方法采用酶解法从牛跟腱中提取胶原蛋白；

youdao