Abstract:
为研究清蒸地黄炮制过程中化学成分的变化并跟踪抗氧化活性,本文比较了块状和粉末状生地黄在炮制成熟地黄过程以及烘干的步骤中,还原糖、蛋白质和总糖的含量变化。结果表明,清蒸熟地黄炮制阶段,地黄的还原糖含量整体呈增长趋势,而总糖含量基本保持不变;随着炮制时间的延长可溶性蛋白质含量持续增加,然后趋于平衡;在同一时间段,粉状地黄还原糖含量(46.14%以干重计)高于块状地黄(24.31%);经过烘干处理的地黄各含量均高于未烘干样品(块状:未烘干24.31%,烘干29.83%;粉状:未烘干46.14%,烘干55.64%)。无论块状或粉状地黄,随着蒸制时间的延长,其对DPPH自由基的清除率都持续上升,说明蒸制...
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Year: 2009
Language: Chinese
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 6
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