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Study on extracting collagen of bovine tendon with enzyme
Author(s): Ye Yichun, Dan Weihua, ZENG Rui, Lin Hai, Qu Jianjian, Chen Chi, Dan Nianhua
Pages: 4-
7
Year: 2005
Issue:
7
Journal: CHINA LEATHER
Keyword: 牛腱; Ⅰ型胶原; 酶法; 纯化; 水解; 优化;
Abstract: 以牛肌腱为原料,通过酶法来提取Ⅰ型胶原,找出其最佳工艺条件,并对所提取的胶原进行了性能表征.酶法水解的最佳条件:进口胃蛋白酶用量的质量分数1%,pH值2.5及4℃条件下水解作用30h.研究结果提示:酶解法是比较理想的提取方法,不仅提取产率高,而且提取的胶原样品的分子质量高(10万Dal以上)且分布窄,可初步判定其基本维持了天然胶原的三股螺旋结构,适合作为生物医用材料的原料.
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