Journal
PHYTOTHERAPY RESEARCH
Volume 22, Issue 7, Pages 979-981Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/ptr.2443
Keywords
Berberis vulgaris; barberry; Berberidaceae; botanical dietary supplements; antioxidant activity; cytoprotective activity; cannabisin G; (+/-)-lyoniresinol
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Activity-guided fractionation of an EtOAc-soluble partition of the MeOH extract from the root bark of Berberis vulgaris L. (barberry), using a hydroxyl radical-scavenging assay, led to the isolation and identification of three phenolic compounds of a previously known structure, N-(p-trans-conmaroyl)tyramine, cannabisin G and (+/-)-lyoniresinol. Of these, cannabisin G and (+/-)-lyoniresinol exhibited antioxidant activity in this bioassay. Furthermore, it was found that cannabisin G showed cytoprotective activity in cultured MCF-7 cells modulated by hydrogen peroxide. Copyright (c) 2008 John Wiley & Sons, Ltd.
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