Effect of preparation based on Paenibacillus ehimensis on the content of alkaloid lappakonitine in harvested rhizomes of Aconitum septentrionale
2018
N.I. Fedorov, Ufa Institute of Biology, Ufa, Oktyabrya | Z.A. Ibatullina, Ufa Institute of Biology, Ufa, Oktyabrya | O.I. Mikhaylenko, Ufa State Petroleum Technological University, Ufa, Cosmonauts | S.N. Zhigunova, Ufa Institute of Biology, Ufa, Oktyabrya | G.V. Shendel, Ufa Institute of Biology, Ufa, Oktyabrya | L.Y. Kuzmina, Ufa Institute of Biology, Ufa, Oktyabrya | G.S. Abdrakhimova, Ufa Institute of Biology, Ufa, Oktyabrya | A.I. Melentiev, Ufa Institute of Biology, Ufa, Oktyabrya | G.R. Kudoyarova, Ufa Institute of Chemistry UFRC RAS, Ufa, Oktyabrya
We performed an analysis of the effect of postharvest treatment of rhizomes of Aconitum septentrionale Koelle with the biological preparation of Bacispecin based on a cytokinin producing strain of Paenibacillus ehimensis IB-739 on the content of alkaloid lappaconitine in rhizomes. The total alkaloid content was assayed based on exhaustive extraction method. The lappaconitine content was measured by HPLC. The efficiency of the preparation was dependant on either the concentration or intensity of the growth processes in rhizomes. Both parameters varied depending on the stage of development of plants and the amount of precipitation. In the years with normal precipitation, concentrations of Bacispecin ranging from 5 to 10 g/l were found to be most effective for increasing lappaconitine content in rhizomes of A. septentrionale. Whereas, under local drought conditions, the concentration of preparation should be less than 2 g/l.
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