Pyrazinecarboxylic acid derivatives as effective abiotic elicitors of isoflavonoids production

Česká verze

Authors: L. Tůmová ¹; J. Tůma ² ; M. Doležal ³; B. Danielová ¹
Authors place of work: Univerzita Karlova v Praze, Farmaceutická fakulta v Hradci Králové, Katedra farmakognosie ¹; Univerzita Hradec Králové, Pedagogická fakulta, Katedra biologie ²; Univerzita Karlova v Praze, Farmaceutická fakulta v Hradci Králové, Katedra farmaceutické chemie a analýzy léčiv ³
Published in the journal: Čes. slov. Farm., 2010; 59, 117-122
Category: Původní práce

Summary

Genista tinctoria (Dyer’s Greenweed) is a plant containing isoflavonoids, which rank among important estrogens. The in vitro culture of this plant produces more isoflavonoids than the parent plant. The paper aimed to even more increase the production of these substances in the callus culture by the action of abiotic elicitors, in this case pyrazinecarboxylic acid derivatives. A more suitable elicitor for the production of isoflavonoids proved to be substance A (N-(3-iodo-4-methylphenyl)pyrazine-2-carboxamide), even though the absolute maximum of genistin production was achieved by a 12-hour action of substance B (5-terc-butyl-6-chloro-N-(3-iodo-4-methylphenyl)pyrazine-2-carboxamide) in a concentration of 2.33 . 10-3 mol/l (57 times versus control). By means of elicitation using substance B, more balanced results were achieved in an increased production of isoflavonoids in the cross-section of the individual withdrawal times and concentrations.

Key words:
Genista tinctoria – isoflavonoids – callus culture – pyrazinecarboxylic acid derivatives

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