Collagen is one of the most important biomaterials that constitute living organisms.

Collagen can speak that it is one of most important creature material to protein site that compose creature. With collagen and mankind relation dwindle on ancient times of ancient time can speak as natural polymer that is using from time that meat of an animal which is gotten by hunting if go back is used to food and skin is used to clothes and life tool, personal ornaments with fur. Collagen keeps animal's health because is occupying protein 1/3 before mammal and is main protein of areolation of skin, bone, muscle, vein, cornea etc. and living body from alimentation, outside and protection, elasticity of muscle.