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1997 (1)
1Author    Purusotam Basnet3, TetsuyaM. Atsunob, Richard Neidlein3Requires cookie*
 Title    Potent Free Radical Scavenging Activity of Propol Isolated from Brazilian Propolis  
 Abstract    We evaluated free radical scavenging activity of the water, methanol and chloroform ex­ tracts of propolis in l,l-diphenyl-2-picrylhydrazyl (DPPH) free radical and xanthine-xanthine oxidase (XO D) generated superoxide anion assay systems. The free radical scavenging activ­ ity guided fractionation and chemical analysis led to the isolation of a new compound, propol {3-[4-hydroxy-3-(3-oxo-but-l-enyl)-phenyl]-acrylic acid) from the water extract, which was more potent than most common antioxidants such as vitamin C and vitamin E (a-tocopherol) in these assay systems. 
  Reference    Z. Naturforsch. 52c, 828—833 (1997); received August 7/September 19 1997 
  Published    1997 
  Keywords    Propol, Propolis, Free Radicals, Superoxide Anion, Antioxidative Activity 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0828.pdf 
 Identifier    ZNC-1997-52c-0828 
 Volume    52