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'Phenolics' in keywords Facet   Publication Year 1997  [X]
Facet   section ZfN Section C  [X]
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1997[X]
1Author    G. Boudourova-Krasteva3, Vassya Bankova3, J. M. Sforcinb, N. Nikolova3, S. Popov3Requires cookie*
 Title    Phenolics from Brazilian Propolis  
 Abstract    The main phenolic constituents from Brazilian propolis, originating from Sao Paulo State, were isolated and identified: three flavonoids, a prenylated coumaric acid and two new benzopyranes, E and Z 2,2-dimethyl-6-carboxyethenyl-8-prenyl-2H-benzopyranes. 
  Reference    Z. Naturforsch. 52c, 676—679 (1997); received April 7/June 9 1997 
  Published    1997 
  Keywords    Propolis, Phenolics, Flavonoids, Benzopyranes 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0676.pdf 
 Identifier    ZNC-1997-52c-0676 
 Volume    52 
2Author    ChristineA. Kraus, Gerhard SpitellerRequires cookie*
 Title    Phenolic Compounds from Ageing Shoots of Picea abies  
 Abstract    The influence of ageing on the amount and composition of phenolic compounds and their glucosides was studied in one to five-year-old shoots of Picea abies. The total content of phenolics increased remarkably within the first two years of growth. In this period cinnamic acid derivatives were dominating, but beginning with the end of the first vegetation period a dramatic increase of acetophenones was observed. Obviously at the end of the first vegetation period the cinnamic acid derivatives are subjected to oxidation resulting in an increase of acetophenones. 
  Reference    Z. Naturforsch. 52c, 308 (1997); received Decem ber 19 1996/January 23 1997 
  Published    1997 
  Keywords    Picea abies, Ageing, Phenolics, Phenolic Glucosides, Quantification by GC-MS 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0308.pdf 
 Identifier    ZNC-1997-52c-0308 
 Volume    52