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KMID : 0616120120430030206
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Korean Journal of Pharmacognosy
2012 Volume.43 No. 3 p.206 ~ p.212
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Flavonol Glycosides from the Aerial Parts of Metaplexis japonica
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Lee So-Young
Kim Ju-Sun
Kang Sam-Sik
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Abstract
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Ten flavonol glycosides were isolated from the EtOAc fraction of the MeOH extract of Metaplexis japonica Makino. Structures of the flavonoids were elucidated on the basis of spectroscopic data and comparison with literature values. The flavonoids were found to be mostly common flavonol 3-glycosides. It is of interest that the sacchaide parts of the isolates were pairs of arabinosides, glucosides, galactosides, rutinosides and robinobiosides of kaempferol and quercetin. All of these compounds were isolated for the first time from this plant.
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KEYWORD
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Metaplexis japonica, Asclepiadaceae, isolation and identification, flavonol glycoside
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