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1984 (1)
1975 (1)
1Author    Robert Verpoorte, M. Thea, Rommert Ulder-Krieger, JacquesM. Wijnsma, AndersBaerheim Verzijl, SvendsenRequires cookie*
 Abstract    The quantitative analysis o f the alkaloids in Cinchona tissue cultures by means o f a reversed-phase ion pair HPLC method is reported. 
  Reference    Z. Naturforsch. 39c, 680—6 (1984); received November 29 1983 
  Published    1984 
  Keywords    Cinchona, Tissue Culture, Alkaloids, Quantitative Analysis, HPLC 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-0680_n.pdf 
 Identifier    ZNC-1984-39c-0680_n 
 Volume    39 
2Author    H., A.B L, E. E.Requires cookie*
 Title    Dihydrochalcones and Chalcones of Some Flavanone Glycosides: Qualitative and Quantitative Determinations  
 Abstract    The chalcones and dihydrochalcones of the flavanone glycosides naringin, neohesperidin and hesperidin were separated and identified by thin-layer chromatography; a similar procedure was utilized to perform preparative TLC for purification of these compounds. A new spectrophotometric method for the quantitative determination of dihydrochalcones in the concentration range from 0.005 to 0.100% in aqueous or alcoholic solution is described as well as a detection method of these compounds in agar media for micro­ biological studies. 
  Reference    (Z. Naturforsch. 30b, 940—942 [1975]; received June 19 1975) 
  Published    1975 
  Keywords    Dihydrochalcones, Flavanone Glycosides, Sweeteners, Thin-layer Chromatography, Quantitative Analysis 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0940.pdf 
 Identifier    ZNB-1975-30b-0940 
 Volume    30