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Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: Dahlia merckii; Dahlia variabilis; Helianthus tuberosum; биологически активные вещества; дубильные вещества; органические кислоты; фруктозаны; аскорбиновая кислота; эфирные масла; аминокислоты; макро- и микроэлементы., Dahlia merckii, Dahlia variabilis, Helianthus tuberosum, Biologically active substances, fructosans, tannins, organic acids, ascorbic acid, amino acids, essential oils, macro and microelements
The results of phytochemical research of root-tubers Merck dahlia (Dahlia merckii Lehm.) And 6 varieties of dahlias variable (D. variabilis Desf .: «Color Spectacle», «Kansas», «Winnie the Pooh», «Znoy», «Lebedushka» «Cheremushki»), as well as the object of comparison – Jerusalem artichoke (Helianthus tuberosum L.) are given in this paper. Defined qualitative and quantitative characteristics of main groups of biologically active substances. The content of inulin is 11,9–66,5%; tannins – 0,833–1,173%; essential oils – 0,118–1,151%; organic acids – 0,190–0,213%; free amino acids – 6,14–11,37 mg%; ascorbic acid – 0,200–0,240%. Studies of the elemental composition of raw materials of dahlias showed that the studied taxa are promising sources of macro and micronutrients. Identified a high potential to accumulate in root-tubers an elements such as calcium and manganese. Varying of the studied parameters reflect the different biological value of the objects of research. As an alternative source of Jerusalem artichoke inulin proposed the root-tubers of D. variabilis «Znoy» and «Kansas», which can accumulate the maximum of this polysaccharide as well as other biologically active substances.
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    • Received January 22, 2015 Revised March 20, 2015
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