人面果抗氧化活性成分研究
Natural Product Research and Development(2008)
Abstract
采用DPPH法对人面果树皮和根部不同溶剂提取物进行抗氧化活性研究。结果表明人面果树皮乙酸乙酯提取物的抗氧化活性最强。运用正相和反相硅胶柱层析对人面果树皮乙酸乙酯提取物进行分离纯化,用波谱技术(1D和2D NMR)分析鉴定出2个xanthone类化合物:1,5-dihydroxy-3-methoxyxanthone(1)和2,5-di-hydroxy-1-methoxyxanthone(2),化合物1和2均为首次从该植物中发现。对化合物1和2进行抗氧化活性研究,结果表明化合物1和2显示了一定的抗氧化活性。
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Key words
Garcinia xanthochymus,antioxidant activities,xanthone
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