alexa Increasing the Anti-Addictive Piperidine Alkaloid Production of In Vitro Micropropagated Indian Tobacco by Nitrate Treatments
ISSN: 2329-9029

Journal of Plant Biochemistry & Physiology
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Research Article

Increasing the Anti-Addictive Piperidine Alkaloid Production of In Vitro Micropropagated Indian Tobacco by Nitrate Treatments

Viktor Jozsef Vojnich1,2, Peter Banyai1, Akos Mathe3, Laszlo Kursinszki1 and Eva Szoke1*

1Department of Pharmacognosy, Semmelweis University, Budapest, Hungary

2Faculty of Horticulture, Department of Horticulture, Kecskemet College, Erdei Ferenc Square 1-3, Kecskemet, Hungary

3Faculty of Agricultural and Food Sciences, Institute of Environmental Sciences, University of West Hungary, Var 2, 9200 Mosonmagyarovar, Hungary

Corresponding Author:
Eva Szoke
Department of Pharmacognosy, Semmelweis
University, 26 Ulloi Street 26, 1085 Budapest, Hungary
Tel: +3612102930/56232
E-mail: [email protected]

Received date: December 20, 2016; Accepted date: January 13, 2017; Published date: January 20, 2017

Citation: Vojnich VJ, Banyai P, Mathe A, Kursinszki L, Szoke E (2017) Increasing the Anti-Addictive Piperidine Alkaloid Production of In Vitro Micropropagated Indian Tobacco by Nitrate Treatments. J Plant Biochem Physiol 5:178. doi: 10.4172/2329-9029.1000178

Copyright: © 2017 Vojnich VJ, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: Lobelia inflata L. (Indian tobacco) is a traditional medicinal plant native to North America. It contains several piperidine alkaloids. Interest in Lobelia alkaloids, and in particular (-)-lobeline, the most active component, has increased in recent years due to their effect on the central nervous system. Thus, lobeline is currently the subject of renewed interest for its anti-addictive activity in the treatment of drug abuse, and neurological disorders. Our studies were aimed at introducing this species into cultivation in Hungary.

Results: For direct characterization of di-substituted and mono-substituted piperidine alkaloids in extracts of L. inflata, a tandem mass spectrometric method was developed using electrospray ionization. The compounds (-) lobeline, norlobeline, lobelanidine, norlobelanine and other related structures were identified by HPLC-MS/MS. With the aim of increasing the alkaloid production, we have investigated the effect of changing the ammonium and potassium nitrate levels of the basic Murashige-Skoog medium. The highest dry mass, total alkaloid and lobeline content were measured in the herbs and roots cultured at 570 mg L-1 KNO3 content.

Conclusions: The highest values for lobeline derivatives norlobeline and lobelidine were also recorded in the herba and roots of Lobelia inflata cultured on reduced KNO3 containing MS medium. The most sensitive response to media modification was observed in the case of lobelidine. Double-concentration of NH4NO3 had an inhibitory effect on plant growth, total alkaloid and lobeline content.

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