Collagen protein is a important structural protein of animal, which contains abundant Glycocine (Gly), Pro-line (Pro) and Hydroxyproline (Ohp).

• 摘要胶原蛋白是动物体内结缔组织的重要结构蛋白，其中富含甘氨酸、脯氨酸和羟脯氨酸。