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1984 (1)
1Author    O. Tto, S. W. Olfbeis, Eva Fiirlinger3, HemC. Handra Jhab, Fritz ZillikenbRequires cookie*
 Title    The Absorption and Fluorescence of Isoflavones and the Effect of Shift Reagents  
 Abstract    The absorption and fluorescence maxima o f 20 isoflavones have been determ ined in methanol solution and the effect o f addition o f w ater, 50% sulfuric acid, aluminium trichloride, borax, sodium acetate, ammonia and sodium hydroxide has been studied. The following findings may be useful in the structure elucidation o f naturally occurring isoflavones: (a) 5-Hydroxyisoflavones have band I absorption maxima around 335 nm. 6-hydroxyisoflavones betw een 310 and 330 nm, 
  Reference    Z. Naturforsch. 39b, 238 (1984); received Septem ber 23 1983 
  Published    1984 
  Keywords    Isoflavonoids, F luorescence, A bsorption, Shift Reagents 
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 TEI-XML for    default:Reihe_B/39/ZNB-1984-39b-0238.pdf 
 Identifier    ZNB-1984-39b-0238 
 Volume    39