ISSN:
1573-5044
Keywords:
C. ledgeriana root suspension cultures
;
growth cycle
;
radio-labelled intermediates and alkaloids
;
precursor feeding
;
alkaloid yields
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract The results of preliminary time-course studies on the uptake of radio-labelled alkaloid precursors, L-[methylene 14C]-tryptophan, [C-5 3H]-secologanin, [C-3 3H]-strictosidine, [Ar 3H]-strictosidine/vincoside and alkaloids, [C-8 3H]-quinine and-quinidine, by Cinchona ledgeriana root organs at various stages of the growth cycle are presented. Incorporation of the radio-label from [C-5 3H]-secologanin and [side chain 2 14C]-tryptamine into quinine and quinidine is also reported. Improved alkaloid yields obtained on feeding L-tryptophan have been shown to be dependent on the stage of the growth cycle at which feeding takes place.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00040805
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