Abstract
Four hydrolyzable tannins, 1,2,4,6-tetra-O-galloyl-β-d-glucopyranoside, 1,2,6-tri-O-galloyl-β-d-glucopyranoside, 1,4,6-tri-O-galloyl-β-d-glucopyranoside; and 1,2,4-tri-O-galloyl-β-d-glucopyranoside, along with a phenylpropanoid glucoside, syringin, were isolated from the flowers of Rafflesia kerrii. The structure elucidations were based on physical data and spectroscopic evidence.
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Acknowledgments
This study was financially supported by Faculty of Pharmaceutical Sciences, Khon Kaen University, Thailand. Also, we thank the Research Center of Molecular Medicine, Hiroshima University for the use of its NMR facilities.
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Kanchanapoom, T., Kamel, M.S., Picheansoonthon, C. et al. Hydrolyzable tannins and phenylpropanoid from Rafflesia kerrii Meijer (Rafflesiaceae). J Nat Med 61, 478–479 (2007). https://doi.org/10.1007/s11418-007-0181-4
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DOI: https://doi.org/10.1007/s11418-007-0181-4