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地榆的化学成分

地榆的化学成分

根中含多种鞣质成分

地榆素(sanguiin)H-1、H-2、H-3、H-4、H-5、H-6、H-7、H-8、H-9、H-10、H-11
1,2,6-三没食子酰-β-D-葡萄糖(1,2,6-trigalloyl-β-D-glucose)
1,2,3,6-四没食子酰-β-D-葡萄糖(1,2,3,6-tetragalloyl-β-D-glucose)
2,3,4,6-四没食子酰-D-葡萄糖(2,3,4,6-tetragalloyl-D-glucose)
1,2,3,4,6-五没食子酰-β-D-葡萄糖(1,2,3,4,6-Pentagalloyl-β-D-glucose)
6-O-没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-6-O-galloyl-β-D-glucopyranoside)
6-O-双没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-6-O-digalloyl-β-D-glucoPyranoside)
4.6-O-双没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-4,6-di-O-galloyl-β-D-glucopyranoside)
2,3,6-O-三没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-2,3,4,6-O-三没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-3,4,6-tri-O-galloyl-β-D-glucopyranoside)
2,3,4,6-O-四没食子酰甲基-β-D-吡喃葡萄糖甙(methyl-2,3,4,6-tetra-O-galloyl-β-D-glucopyranoside)
没食子酸-3-O-β-D-(6’-O-没食子酰)-吡喃葡萄糖甙[gallicacid-3-O-β-D-(6’-O-galloyl)-glucopyranoside)
3,4,3’-三-O-甲基并没食子酸(3,4,3’-tri-O-methylellagicacid)
地偷酸双内酯(sanguisorbicaciddilactone)

还含有2种没食子酰金缕梅糖衍生物
5,2’-双-O-没食子酰金缕梅糖(5,2’-di-O-galloylhamamelose)
2’,3,5-三-O-没食子酰-D-呋喃金缕梅糖

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