【摘要】 从头花杜鹃的水提取物中,分离到10种成分,经理化测定和紫外、红外、核磁共振及质谱等分析,分别鉴定为:莨菪亭、梣皮素、梫木毒素Ⅰ、梫木毒素Ⅱ、梫木毒素Ⅳ、棉子糖、金丝桃甙、头花杜鹃素、檞皮素和杨梅酮。其中头花杜鹃素为新黄酮化合物。更多还原

【Abstract】 Ten compounds were isolated from the aqueous extract of Rhododendron capitatum Maxim and identified as scopoletin,fraxetin,grayanotoxin Ⅰ,Ⅱ,Ⅳ,raffinose, hyperin,capitatin,quercetin and myricetin,respectively,on the basis of physico-chemical properies,UV,IR,NMR and MS data.The capitatin was a new compound.更多还原