Structure of panaxan B,a hypoglycaemic glycan of Panax ginseng roots |
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Authors: | Masashi Tomoda Kazuyo Shimada Chohachi Konno Hiroshi Hikino |
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Affiliation: | 1. Pharmaceutical Institute, Tohoku University, Aoba-yama, Sendai, Japan |
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Abstract: | A hypoglycaemic principle, panaxan B, obtained from the roots of Panax ginseng, was shown to be a peptidoglycan with Mr of about 1 800 000. Physico-chemical and chemical studies indicated panaxan B to be mainly composed of α-1 → 6 linked D-glycopyranose residues with branching at the C-3 position, the ratio of terminals, branching positions and intermediate units being about 1:1:1.8. |
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Keywords: | Araliaceae peptidoglycan glucan structure hypoglycaemic activity. |
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