The effective dosages of SHHL against replication of coxsackie virus B 3 of 10,5,1 TCID 50 in cultured cells are 1 5,0 25,0 25 mg/ml,respectively.

• 1 5、0 2 5、0 2 5mg/ml双黄连可分别抑制 10、5、1TCID50 病毒在胞内复制。