Abstract
The samples of Gmelin larch (Larix gmelinii (Rupr.) Rupr.) gum, selected from a variety of trees and from different parts of the tree in vicinity of Ulan-Ude (Buryatia), were investigated with GPC, IR, quantitative NMR 13C spectroscopy and spectrophotometry methods. The samples were dissolved in distilled water at room temperature. The mechanical impurities were filtered, the transparent solutions were evaporated to dryness, and the dry residues were purified by reprecipitation from water to ethanol. The content of mechanical impurities was 0.1–4.8% of the mass of absolutely dry gum. Aqueous solutions of gum were weakly acidic, as well as arabinogalactan (AG) isolated from wood of Siberian and Gmelin larches. It is established that Gmelin larch gum is a high purity arabinogalactan (~99%) with minor impurities of flavonoids, tannins and mineral substances. Molecular-mass characteristics and monosaccharide composition of Gmelin larch gum arabinogalactan is similar to arabinogalactan obtained from wood of all previously studied species of larch growing in Siberia and the Far East. The data suggest recommending Gmelin larch gum for application in medicine and the veterinary, food and cosmetic industries.
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References
Spasskii, N.A., Klei dlya perepletnykh rabot (Glues for Binding Works), Moscow, 1953.
Chudinov, B.S., Tyurikov, F.T., and Zuban’, P.E., Drevesina listvennitsy i ee obrabotka (Larch Wood and Its Processing), Moscow, 1965.
Terpukova, A.F., Chochieva, M.M., and Antonovskii, S.D., On the thermal properties of arabinogalactan, Khim. Drevesiny, 1978, no. 2, pp. 101–106.
Travy Altaia (Herbs of Altai) [electronic resource]. http://travialtaya.ru.
Malavit [electronic resource]. https://www.malavit.ru.
Medvedeva, E.N., Ostroukhova, L.A., Neverova, N.A., Onuchina, N.A., and Babkin, V.A., Phenol admixtures in arabinogalactan from larch wood, Khim. Rastit. Syr’ya, 2011, no. 1, pp. 45–48.
Neverova, N.A., Levchuk, A.A., Ostroukhova, L.A., Medvedeva, E.N., Onuchina, N.A., and Babkin, V.A., Distribution of extractive substances in wood of the Siberian larch (Larix sibirica Ledeb.), Russ. J. Bioorg. Chem., 2013, vol. 39, no. 7, pp. 712–719.
Medvedeva, E.N., Fedorova, T.E., Vanina, A.S., Rokhin, A.V., Es’kova, L.A., and Babkin, V.A., Influence of the method of isolation and purification of arabinogalactan from Siberian larch wood on its structure and properties, Khim. Rastit. Syr’ya, 2006, no. 1, pp. 25–32.
Antonova, G.F. and Tyukavkina, N.A., Obtaining a high-purity arabinogalactan from larch wood, Khim. Drevesiny, 1976, no. 4, pp. 60–62.
Babkin, V.A., Neverova, N.A., Medvedeva, E.N., Fedorova, T.E., and Levchuk, A.A., Investigation of physicochemical properties of arabinogalactan of different larch species, Russ. J. Bioorg. Chem., 2016, vol. 42, no. 7, pp. 23–27.
Karacsonyi, S., Kovacik, V., Alfoldi, J., and Kubackova, M., Chemical and 13c studies of arabinogalactan from Larix sibirica L., Carbohydr. Res., 1984, vol. 134, pp. 265–274.
Medvedeva, E.N., Fedorova, T.E., Vanina, A.S., Rokhin, A.V., Es’kova, L.A., and Babkin, V.A., Influence of the method of isolation and purification of arabinogalactan from larch wood anthrax on its structure and properties, Khim. Rastit. Syr’ya, 2006, no. 1, pp. 25–32.
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Original Russian Text © N.A. Neverova, E.N. Medvedeva, A.A. Levchuk, V.A. Babkin, 2017, published in Khimiya Rastitel’nogo Syr’ya, 2017, No. 2, pp. 137–141.
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Neverova, N.A., Medvedeva, E.N., Levchuk, A.A. et al. The Research of Gmelin Larch (Larix gmelinii (Rupr.) Rupr.) Gum. Russ J Bioorg Chem 44, 912–915 (2018). https://doi.org/10.1134/S1068162018070099
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DOI: https://doi.org/10.1134/S1068162018070099