The pharmacological test showed that n-butanol extract and 80%ethanol elusion fraction obtained from D,0, polymer adsorption columnhad strong antiviral effects in vitro.

• 药理实验结果表明，板蓝根提取物经大孔树脂用80%25醇洗下的部分和正丁醇萃取部分在体外具有较强的抗病毒活性。