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KMID : 0616120070380040258
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Korean Journal of Pharmacognosy
2007 Volume.38 No. 4 p.258 ~ p.262
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Reducing Power and α-Glucosidase Inhibitory profiles of (-)-Catechin and Its glycoside
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Jung Mee-Jung
Heo Seong-Il
Wang Myeong-Hyeon
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Abstract
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From the EtOAc fraction of the MeOH extract of Ulmus davidiana, (-)-catechin (1), (-)-catechin-7-O-β-D-apiofuranoside(2), and (-)-catechin-7-O-β-D- xylopyranoside (3) were isolated and characterized on the basis of 1H-and 13C-NMR,and FABMS spectral data. Compounds 1-3 showed more strong reducing power activities than α-tocopherol, a positive control.
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KEYWORD
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Ulmus davidiana, (-)-catechin, (-)-catechin-7-O-β-D-apiofuranoside, (-)-catechin-7-O-β-D-xylopyranoside, reducing power
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