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KMID : 0616120120430020127
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Korean Journal of Pharmacognosy
2012 Volume.43 No. 2 p.127 ~ p.136
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Flavonoids from the Seeds of Zizyphus jujuba var. spinosa
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Lee So-Young
Lee Joo-Young
Kim Ju-Sun
Lee Je-Hyun
Kang Sam-Sik
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Abstract
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Eight flavonoids were isolated from the BuOH fraction of the 70% EtOH extract of Zizyphus jujuba var. spinosa seeds along with three known compounds, daucosterol (1), butyl β-D-fructofuranoside (2), and magnoflorine (4). On the basis of spectroscopic methods and comparison with literature values their structures were elucidated as 6’’’-feruloylspinosin (3), nicotiflorin (5), 6’’’-p-coumaroylspinosin (6), isospinosin (7), 6’’’-vanilloylspinosin (8), spinosin (9), hovetrichoside C (10), and camelliaside B (11). Compounds 1, 2, 10, and 11 were isolated from this plant for the first time.
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KEYWORD
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Zizyphus jujuba var. spinosa, Rhamnaceae, Isolation and identification, Flavonoid
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