Ⅲ型胶原流失速度远高于Ⅰ型

数据来源:WangCheng et al ., The content and ratio of type l and III collagen in skin differ with age and injury, African Journal of Biotechology Vol.10(13), pp. 2524-2529, 2 8 March, 2011

衰老本质是Ⅲ型胶原蛋白断崖式流失