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KMID : 0620720120180010013
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Natural Product Sciences
2012 Volume.18 No. 1 p.13 ~ p.15
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Lupane Triterpenoids from Pyrus pyrifolia
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Yoo Ji-Hye
Yang Ki-Sook
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Abstract
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Three lupane type triterpenoids were isolated from the methanol extract of Pyrus pyrifolia fruit peel through repeated silica gel column chromatography. Based on the spectroscopic methods, their structures were determined to be lupeol (1), betulin (2), and betulinic acid (3).
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KEYWORD
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Pyrus pyrifolia, triterpene, lupeol, betulin, betulinic acid
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