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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 5
BKCSDE 28(5)
May 20, 2007 

 
Title
Antioxidant Polyphenol Glycosides from the Plant Draba nemorosa
Author
Md. Aziz Abdur Rahman, Surk-Sik Moon*
Keywords
Draba nemorosa, Sinapoylglucitol, Disinapoylgentiobiose, Antioxidants
Abstract
Bioassay-directed fractionation of Draba nemorosa led to the isolation of two new phenolic glycosides, 1-O- (sinapoyl)-glucitol (2) and 1,3-disinapoylgentiobiose (5) along with five known phenolic glycosides (1, 3, 4, 6, and 7). Their structures were characterized based on spectroscopic methods (2D NMR, HRTOFMS, IR, and UV). The isolated compounds showed antioxidant activities (IC50) in the range of 14-98 mM which were estimated by DPPH radical-scavenging assay.
Page
827 - 831
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