Five compounds from Hypericum perforatum L.were identified as quercetin,avicularin,quercitrin,isoquercitrin and hyperin.

• 从贯叶金丝桃中分离得到5个化合物,分别鉴定为槲皮素、蓄苷、槲皮苷、异槲皮苷及金丝桃苷。