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福建绞股蓝皂苷的优化提取及其抗肝癌活性
Authors
张树峰
明艳林
+5 more
童庆宣
谌迪
郑志忠
陈清西
陈良华
Publication date
15 November 2012
Publisher
Abstract
绞股蓝素有"南方人参"美誉,含有与人参皂苷相同骨架达玛烷型结构的三萜皂苷。通过不同体积分数乙醇溶液优化提取绞股蓝皂苷,测定其抗癌活性,为后续活性化合物的分离奠定基础。利用HPLC分析绞股蓝的皂苷成分并确定提取绞股蓝皂苷的乙醇体积分数,正交实验优化提取方法,进而MTT法测定提取的绞股蓝皂苷抗肝癌活性。HPLC分析确定用体积分数75%乙醇溶液提取绞股蓝总皂苷(GYP),体积分数45%乙醇提取极性绞股蓝皂苷(GYP1),体积分数90%乙醇提取弱极性绞股蓝皂苷(GYP2);正交实验结果表明在70℃水浴中以30质量的体积分数45%乙醇加热提取12 h为最佳条件提取GYP1,在60℃水浴中以30质量的体积分数90%乙醇加热提取6 h为最佳条件提取GYP2;利用MTT法测定GYP、GYP1和GYP2对肝癌细胞的抑制作用,GYP和GYP2对肝癌细胞SMCC7721具有抗癌活性,半抑制率IC50值分别为(165.83±14.12)μg/mL和(113.97±9.26)μg/mL,GYP1没有抗癌活性,表明绞股蓝抗癌药效成分主要是由弱极性绞股蓝皂苷发挥功效
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Last time updated on 16/06/2016