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1Author    Jochen Berlin, Edgar Forche, Victor Wray, Joachim Hammer, Wolfgang HöselRequires cookie*
 Title    Formation of Benzophenanthridine Alkaloids by Suspension Cultures o f Eschscholtzia californica  
 Abstract    Suspension cultures of Eschscholtzia californica accum ulate the dihydro forms o f the benzo­ phenanthridine alkaloids sanguinarine, chelirubine, macarpine and chelerythrine, all o f which are known to be constituents o f the Eschscholtzia plant. U nder most experimental conditions dihydrochelirubine was found to be the main constituent of the cultured cells. The specific yields of alkaloids varied from zero to 1.7% on a dry weight basis depending on the m edia conditions. The highest specific yield was 1.5 m g/g dry weight or 13 mg/1 with the growth m edium B5. After transfer of the cells into the induction medium IM2 the alkaloid accum ulation increased to 17 mg/g dry weight and 146 mg/1. The induction m edium contained increased levels o f sucrose, decreased levels of phosphate and was devoid of phytohormones. The effect o f the various m edia conditions on the biosynthesis of phenolics was quite different to those found for the alkaloids. 
  Reference    Z. Naturforsch. 38c, 346 (1983); received February 7 1983 
  Published    1983 
  Keywords    Eschscholtzia californica, Suspension Cultures, Benzophenanthridine Alkaloids, Phenolics, Media Effects 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0346.pdf 
 Identifier    ZNC-1983-38c-0346 
 Volume    38