A novel method,fluorophotometry, was used to determine Vitamin A in galactosyl ceramide liposomes.

用荧光法测定了半乳糖神经酰胺脂质体制剂中维生素A的含量。

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.

方法分离猪血细胞,用溶血,脱水,燥等方法提取鞘磷脂,并用磷脂酶C降解鞘磷脂成神经酰胺。