机构地区:[1]北京大学药学院天然药物学系,天然药物及仿生药物国家重点实验室,北京100191
出 处:《中草药》2015年第17期2522-2533,共12页Chinese Traditional and Herbal Drugs
基 金:“十二五”国家科技支撑计划项目(2011BAI03B01)
摘 要:目的研究人参Panax ginseng茎叶总皂苷酸水解产物的化学成分。方法采用硅胶柱色谱及半制备高效液相色谱等方法进行分离、纯化,通过NMR、MS等进行结构鉴定。结果从人参茎叶总皂苷的酸水解产物中分离鉴定了34个化合物,分别为3β-乙酰氧基-12β-羟基-20(R),25-环氧达玛烷(1)、3β,6α-二乙酰氧基-12β-羟基-20(R),25-环氧达玛烷(2)、3β-乙酰氧基-6α,12β-二羟基-20(R),25-环氧达玛烷(3)、20(R)-人参二醇(4)、异去氢原人参三醇(5)、3-酮基-6α,12β-二羟基-20(R),25-环氧达玛烷(6)、达玛-(E)-20(22)-烯-3β,12β,25-三醇(7)、6α-乙酰氧基-3β,12β-二羟基-20(R),25-环氧达玛烷(8)、20(S)-原人参二醇(9)、20(R)-原人参二醇(10)、20(S)-25-乙氧基-达玛烷-3β,12β,20-三醇(11)、20(R)-人参三醇(12)、达玛-(E)-20(22),24-二烯-3β,6α,12β-三醇(13)、27-去甲基-(E,E)-20(22),23-二烯-3β,12β-二羟基达玛-25-酮(14)、3β,12β-二羟基-22,23,24,25,26,27-六去甲达玛烷-20-酮(15)、3β-乙酰氧基-6α,12β,25-三羟基-(20S,24R)-环氧达玛烷(16)、20(S)-25-乙氧基-达玛烷-3β,6α,12β,20-四醇(17)、达玛-(E)-20(22)-烯-3β,6α,12β,25-四醇(18)、达玛-(Z)-20(22)-烯-3β,6α,12β,25-四醇(19)、20(S)-达玛烷-3β,12β,20,25-四醇(20)、20(R)-达玛烷-3β,12β,20,25-四醇(21)、20(S)-原人参三醇(22)、20(R)-原人参三醇(23)、(20S,24S)-达玛烷-20,24-环氧-3β,6α,12β,25-四醇(24)、(20S,24R)-达玛烷-20,24-环氧-3β,6α,12β,25-四醇(25)、(20R,24R)-达玛烷-20,24-环氧-3β,6α,12β,25-四醇(26)、3β,6α,12β-三羟基-22,23.24,25,26,27-六去甲达玛烷-20-酮(27)、12β-羟基-20(R),25-环氧达玛烷-3β-O-β-D-吡喃葡萄糖苷(28)、20(S)-达玛烷-3β,6α,12β,20,25-五醇(29)、20(R)-�Objective To study the chemical constituents in the acid hydrolysates of total saponins from the stems and leaves of Panax ginseng. Methods The chemical constituents were isolated and purified by various chromatographic methods, and their structures were identified by NMR and MS data analysis. Results Thirty-four compounds were isolated and identified as 3β-acetoxy-12β-hydroxy-20(R),25-epoxydammarane(1), 3β,6α-diacetoxy-12β-hydroxy-20(R),25-epoxydammarane(2), 3β-acetoxy-6α,12β-dihydroxy-20(R),25-epoxydammarane(3), 20(R)-panaxadiol(4), isodehydroprotopanaxatriol(5), 3-oxo-6α,12β-dihydroxy-20(R),25-epoxydammarane(6), dammar-(E)-20(22)-ene-3β,12β,25-triol(7), 6α-acetoxy-3β,12β-dihydroxy-20(R),25-epoxydammarane(8), 20(S)-protopanaxadiol(9), 20(R)-protopanaxadiol(10), 20(S)-25-ethoxyl-dammarane-3β,12β,20-triol(11), 20(R)-panaxatriol(12), dammar-(E)-20(22),24-diene-3β,6α,12β-triol(13), 27-demethyl-(E,E)-20(22),23-dien-3β,12β-dihydroxydammar-25-one(14), 3β,12β-dihydroxy-22,23,24,25,26,27-hexanordamaran-20-one(15), 3β-acetoxy-6α,12β,25-trihydroxy-20(S),24(R)-epoxy-dammarane(16), 20(S)-25-ethoxyl-dammarane-3β,12β,20-triol(17), dammar-(E)-20(22)-ene-3β,6α,12β,25-tetrol(18), dammar-(Z)-20(22)-ene-3β,6α, 12β,25-tetrol(19), 20(S)-dammarane-3β,12β,20,25-tetrol(20), 20(R)-dammarane-3β,12β,20,25-tetrol(21), 20(S)-protopanaxatriol(22), 20(R)-protopanaxatriol(23),(20S,24S)-dammarane-20,24-epoxy-3β,6α,12β,25-tetraol(24),(20S,24R)-dammarane-20,24-epoxy-3β,6α,12β,25-tetraol(25),(20R,24R)-dammarane-20,24-epoxy-3β,6α,12β,25-tetraol(26), 3β,6α,12β-trihydroxy-22,23,24, 25,26,27-hexanordamaran-20-one(27), 12β-hydroxy-20(R),25-epoxydammarane-3β-O-β-D-glucopyranoside(28), 20(S)-dammarane-3β,6α,12β,20,25-pentol(29), 20(R)-dammarane-3β,6α,12
关 键 词:人参茎叶 人参皂苷 人参茎叶皂苷酸水解产物 奥克梯隆型三萜 3β-乙酰氧基-12β-羟基-20(R) 25-环氧达玛烷 达玛-(Z)-20(22)-烯-3β 6α 12β 25-四醇 拟人参皂苷Rh2
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