METHOD Sphingomyelin was prepared through the process of separating erythrocyte from blood,erythrocytolysis,dehydration,dry,et al,and then hydrolyzed to ceramide by phospholipase C.

法分离猪细胞,用溶,,干等法取鞘磷脂,并用磷脂酶C降解鞘磷脂成神经酰胺。