hypodermatosis of cattle

The incomplete digestion method may be used to treat the cattlehide sample.

用非完全硝化法处理牛皮样品,即在90~100℃的温度下,用浓硝酸和过氧化氢消解,直至消化液呈透明淡黄色,再加入乳化剂OP溶解消化过程中所产生的油脂,可获得均匀的样品乳浊液。

Based on that,some recent technologies and methods on extraction of collagens from pigskin,calf skin and fish skin are introduced.

简要介绍了动物皮胶原的结构组成和物化性质,着重综述了最近几年国内外从猪皮、牛皮和鱼皮中提取胶原的工艺方法。