1.A novel method,fluorophotometry, was used to determine Vitamin A in galactosyl ceramide liposomes.
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。
2.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.