To use the isolate soyprotein as a raw material makes edible fresh-keeping film, some physical chemistry properties like pervasiveness to light,the dissolution in water have been surveyed.

• 以大豆分离蛋白为原料,制备可食性保鲜膜,对膜的透光性、水溶性等理化性质进行了测试,并应用到新鲜香茹上。