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Carbohydrates from Lamiaceae. VIII. α-Glucan from Scutellaria baicalensis roots

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Chemistry of Natural Compounds Aims and scope

The homogeneous polysaccharide S b RP-1″ with MW 110 kDa was isolated during an investigation of water-soluble polysaccharides from Scutellaria baicalensis roots. Its aqueous solution gave a positive reaction with iodine and exhibited high specific rotation ([α]D +188.0°). Chemical, chromatographic, and spectral methods established that S b RP-1″ was a slightly branched glucan containing in the main chain α-(1 → 4)-glucopyranose units, 8.3% of which were branched at the C-6 atom with single α-glucopyranose units. Glucan S b RP-1″ was shown to exhibit immunostimulating activity using an azathioprine model of immunosuppression.

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Acknowledgment

The work was supported financially by the Lavrent’ev Award for Young Scientists, SB, RAS.

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Authors and Affiliations

  1. Institute of General and Experimental Biology, Siberian Branch, Russian Academy of Sciences, 670047, Ulan-Ude, Russia

    D. N. Olennikov & V. B. Khobrakova

  2. Siberian Institute of Plant Physiology and Biochemistry, Siberian Branch, Russian Academy of Sciences, 664033, Irkutsk, Russia

    A. V. Stolbikova

  3. Irkutsk State University, 664033, Irkutsk, Russia

    A. V. Rokhin

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  1. D. N. Olennikov
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  2. A. V. Stolbikova
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  3. A. V. Rokhin
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  4. V. B. Khobrakova
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Correspondence to D. N. Olennikov.

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Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 176–179, March–April, 2011.

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Olennikov, D.N., Stolbikova, A.V., Rokhin, A.V. et al. Carbohydrates from Lamiaceae. VIII. α-Glucan from Scutellaria baicalensis roots. Chem Nat Compd 47, 190–193 (2011). https://doi.org/10.1007/s10600-011-9878-4

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  • DOI: https://doi.org/10.1007/s10600-011-9878-4

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