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1997 (2)
1Author    M. Arow Icz3, B. Arbara, R. AabRequires cookie*
 Title    Antioxidative Activity of Leguminous Seed Extracts Evaluated by Chemiluminescence Methods  
 Abstract    The antioxidant properties of extracts from seeds of white bean, pea, lentil, everlasting pea, faba bean, and broad bean were investigated by enhanced chemilumi­ nescence (ECL) and photochemiluminescence (PCL) methods. All extracts exhibited antioxidative activity. The antioxidative efficacy of the extracts investigated varied markedly and did not dependent upon their content of phenolic compounds. Results of TLC analysis of the extracts indicated that the antioxidant activity originated from several phenolic compounds, partly sim­ ilar in their polarity. 
  Reference    Z. Naturforsch. 52c, 709—712 (1997); received March 5/July 21 1997 
  Published    1997 
  Keywords    Leguminous Seed Extract, Antioxidative Activity, Free Radical Scavengers, Chemiluminescence 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0709_n.pdf 
 Identifier    ZNC-1997-52c-0709_n 
 Volume    52 
2Author    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