【摘要】 分析比较了乙醇浸提法所得苦楝皮、果、叶提取物的含量,结果表明,乙醇浸提方法的最佳条件为:液固比20∶1(mL∶g),提取时间5 h,提取次数2次。测定了福建6个种源和全国17个种源苦楝皮、叶、果中苦楝素的含量,并对优质种源进行了筛选,得到苦楝素含量高于平均值1.3倍的优良单株,为苦楝的良种选择及定向培育提供了依据。更多还原

【Abstract】 Contents of toosendanin in extracts from bark,fruit and leaves of Melia azedarach under different process conditions and methods were studied.The optimum conditions of ethanol extraction were as follows: ratio of liquor to material 20 ∶1,extraction time 5 h for twice.The research measured toosendanin contents in bark,fruit and leaves of 17 domestic M.azedarach provenances,to select excellent provenances,and gained excellent plants with toosendanin content of 1.3 times more than the average.This study provided basis for selection of improved varieties and directive breeding.更多还原