Collagen is a component of organs and tissues. It maintains the structure and function of organs and tissues and consists mainly of the following：
1. Type I collagen: the most abundant in the human body, distributed in the dermis, bones, teeth, tendons and other parts of the body, a more complex structure, also seen in inflammatory tissue and tumor tissue.
2. Type II collagen: mainly distributed in cartilage, as well as the vitreous humor, cornea and neuroretina of the eye, the main function is to maintain the normal function of the above organs and tissues.
3. Type III collagen: mainly distributed in the skin dermis, cardiovascular, gastrointestinal tract, etc. The function of type III collagen is mainly to maintain tissue elasticity and basic structure.
4. Type IV collagen: It is distributed in the basement membrane and other parts of the body, commonly in the skin and kidney basement membrane, and has a relatively high sugar content.
90% of the collagen contained in the human body is type I collagen, and the collagen in fish scales and fish skin mainly belongs to type I, which is similar to the human body.
Post time: Nov-11-2022