The anticoagulant action of three phospholipases A(PLA) from the snake venomof Agkistrodon halys Pallas found in Zhejiang was analysed.

• 本文研究分析了从浙江产蝮蛇毒提纯的三种磷脂酶A(PLA)的抗凝活性,结果只有碱性PLA具有抗凝作用,而酸性PLA与中性PLA(Agkistrodotoxin)均无此作用。