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1987 (1)
1980 (1)
1Author    K.-H Knobloch, J. BerlinRequires cookie*
 Title    Influence of Medium Composition on the Formation of Secondary Compounds in Cell Suspension Cultures of Catharanthus roseus (L.) G. Don  
 Abstract    Cell suspension cultures o f Catharanthus roseus have been subjected to various m edia condi­ tions in order to stim ulate the formation o f indole alkaloids. H igh ajmalicine contents (up to 0.5 m g/g cell fresh weight) were achieved by transferring 2-week-old cell suspensions to a 10-fold volum e o f a 8% sucrose solution. The alkaloid accum ulation started two days after the transfer and reached a plateau after ten days. Furthermore an enhanced level o f phenolic com pounds was found, whereas growth o f the culture was low. The accumulation o f both, alkaloids and poly­ phenols was stimulated by high concentrations o f sucrose and low concentrations o f nitrogen con­ taining salts and phosphate. W hen these m inerals were added to the sucrose solution in con­ centrations com m only used for cell culture m edia, the accum ulation o f alkaloids and phenolic compounds was largely suppressed. 
  Reference    Z. Naturforsch. 35c, 551 (1980); received March 31 1980 
  Published    1980 
  Keywords    Catharanthus roseus, Cell Suspension Cultures, A lkaloids, Polyphenols, M edia Effects 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0551.pdf 
 Identifier    ZNC-1980-35c-0551 
 Volume    35 
2Author    M. Ichael Wink, Ludger WitteRequires cookie*
 Title    Alkaloids in Stem Roots of Nicotiana tabacum and Spartium junceum Transformed by Agrobacterium rhizogenes  
  Reference    Z. Naturforsch. 42c, 69—72 (1987); received August 21/September 22 1986 
  Published    1987 
  Keywords    Agrobacterium rhizogenes, A lkaloids, N icotine, Cytisine, Nicotiana, Spartium 
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 TEI-XML for    default:Reihe_C/42/ZNC-1987-42c-0069.pdf 
 Identifier    ZNC-1987-42c-0069 
 Volume    42