Literature Review 2: Collagen 1. Introduction Collagen is the main protein of connective tissue in animals and fish, where it is the most abundant protein in mammals, constituting up to 25-30% of the total protein content of the body. On the other hand, collagen constitutes 1-2% of muscle tissue besides contributing to the tune of 6% of the weight of strong and tendinous muscles. Even the people of early civilization discovered collagen's multiple utility value, such as waterproofing, adhesive, and…
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