【摘要】 从山杨 (PopulusdavidianaDode.)树皮的氯仿部分得到了 7个黄酮类化合物 ,经理化数据和波谱分析鉴定为 :高良姜素 (Galangin)、白杨素 (Chrysin)、7 甲氧基白杨素 (Tectochrysin)、芫花素(Genkwanin)、商陆素 (Ombuin)、乔松素 (Pinocembrin)、3 乙酰基乔松素 (trans 3 acetoxy 5 ,7 dihydrox yflavanone)。商陆素和 3 乙酰基乔松素为首次从该属植物中分离得到。高良姜素、7 甲氧基白杨素、商陆素有较强的抗炎活性。更多还原

【Abstract】 From the bark of Populus davidiana Dode.,seven flavonoids have been isolated and identified as galangin,chrysin,tectochrysin,genkwanin,ombuin,pinocembrin and trans 3 acetoxy 5,7 dihydroxyflavanone,respectively.Ombuin and trans 3 acetoxy 5,7 dihydroxyflavanone were isolated from the genus for the first time.Galangin,tectochrysin and ombuin have been test for the anti inflammatory activity.更多还原