Rhamnus prinoides Lâ??Herit (R. prinoides) has long been widely consumed as folk medicine in\nKenya and other Africa countries. Previous studies indicated that polyphenols were abundant in\ngenus Rhamnus and exhibited outstanding antioxidant and anti-inflammatory activities. However,\nthere are very few studies on such pharmacological activities and the polyphenol profile of this\nplant up to now. In the present study, the antioxidant activities of the crude R. prinoides extracts\n(CRE) and the semi-purified R. prinoides extracts (SPRE) of polyphenol enriched fractions were\nevaluated to show the strong radical scavenging effects against 1,1-diphenyl-2- picrylhydrazyl radical\n2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl (DPPH).................
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