从小檗科植物朝鲜淫羊藿Epimediumkoreanum的地上部分分得8个成分，经化学和光谱方法分析分别鉴定为胡萝卜甙（1）、淫羊藿甘（Ⅱ）、淫羊藿次甙－C（Ⅲ）、金丝桃甙（Ⅳ）、槲皮素（Ⅴ）、淫羊藿次甙－Ⅰ（Ⅵ）、宝藿甙－Ⅰ（Ⅶ）和淫羊藿素（Ⅷ）。

Eight compounds wete isolated from the aerial parts of Epimedium koreanum Nakai. Their structures were identified as daucosterol (Ⅰ ), icariin (Ⅱ), cpimedoside-C (Ⅲ ), hyperoside (Ⅳ), quercetin (Ⅴ ), icariside Ⅰ (Ⅵ ), baohuoside- Ⅰ (Ⅶ )and icaritin (Ⅷ ) by physico-chemical properties and UY, IR, 1HNMR, 13CNMR and MS. Among them Ⅰ, Ⅳ,Ⅴ, Ⅵ, and Ⅷ were isolated from the plant for the first time.