Poly[3-(3,4-dihydroxyphenyl)glyceric acid] from Stems of Symphytum asperum and S. caucasicum |
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| Authors: | V. V. Barbakadze E. P. Kemertelidze I. Targamadze K. Mulkidzhanyan J. Kemink A. J. J. van den Berg K. J. Beukelman A. I. Usov |
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| Affiliation: | (1) Kutateladze Institute of Pharmaceutical Chemistry, Academy of Sciences of Georgia, Georgia;(2) Medicinal Chemistry Department, School of Pharmacy, Utrecht University, P. O. Box 80082, 3508 TB Utrecht, Netherlands;(3) Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Leninskii prospekt, 47, Russia |
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| Abstract: | Two high-molecular-weight (>1000 kDa) water-soluble preparations were isolated from stems of Symphytum asperum and S. caucasicum. Their basic component was established as poly[hydroxy-1-carboxy-2-(3,4-dihydroxyphenyl)ethylene], analogous to that of high-molecular-weight (>1000 kDa) preparations from roots of these same plants, using IR and NMR spectral data. __________ Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 303–305, July–August, 2005. An erratum to this article is available at . |
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| Keywords: | caffeic acid 3-(3,4-dihydroxyphenyl)glyceric acid Symphytum asperum Symphytum caucasicum poly[hydroxy-1-carboxy-2-(3,4-dihydroxyphenyl)ethylene] |
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