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Abstract:
组合95%乙醇提取、碱性乙醇除杂、活性炭脱色、大孔吸附树脂富集纯化以及乙醇结晶的技术,建立了从枇杷叶中分离纯化熊果酸的方法。采用8倍枇杷叶量的95%乙醇,于70℃条件下提取3次,每次2 h,熊果酸的提取率高达96.6%。提取液调pH=11可去除多酚类杂质,活性炭脱色后,经大孔吸附树脂富集纯化,可获得纯度为78.2%的熊果酸,进一步采用乙醇结晶后可获得纯度为95%的熊果酸,枇杷叶中熊果酸总得率为70%。
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现代化工
ISSN: 0253-4320
CN: 11-2172/TQ
Year: 2007
Issue: S2
Page: 415-417
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 3
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