Elastase IS characterized by their ability to hydrolyze elastin which a fibrous insolubleprotein for a class of broad—spectrum proteolytic enzyme.It has important prospects for thedevelopment in food,medicine,daily chemical,and environmental protection.Elastase isusually extracted from the pancreas of animals,which is restricted on raw materials andproduction techniques.As for such pattern,it will cost higher but produce lower,lag farbehind the market demands,and finally will limit the application a...