There are many differences in structures and properties among collagen, gelatin and collagen hydrolysate because of different preparation processes.
由于胶原、明胶和水解胶原蛋白制备工艺的差异，造成它们在结构和性能上存在较大的差别。
There are many differences in structures and properties among collagen, gelatin and collagen hydrolysate because of different preparation processes.
由于胶原、明胶和水解胶原蛋白制备工艺的差异，造成它们在结构和性能上存在较大的差别。
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