[关键词]
[摘要]
目的 研究人参Panax ginseng花蕾中的人参皂苷类化学成分。方法 采用Diaion HP-20、MCI gel、硅胶及半制备高效液相等柱色谱方法进行分离、纯化,根据NMR、MS等谱学数据进行结构鉴定。结果 从人参花蕾中分离得到了4个化合物,分别鉴定为6'-乙酰人参皂苷F1(1)、12α-羟基人参皂苷Rd(2)、20(S)-人参皂苷Rg3(3)及5,6-二脱氢-20(S)-人参皂苷Rg3(4)。结论 化合物4为1个新的化合物,化合物1和2为新的天然产物。
[Key word]
[Abstract]
Objective To study the chemical constituents of ginsenosides from the flower buds of Panax ginseng. Methods The compounds were isolated and purified by Diaion HP-20, MCI gel, silica gel, and semi-preparative HPLC. The structures were elucidated based on NMR and MS data. Results Four compounds were isolated from the extract of P. ginseng flower buds, and identified as 6'-acetyl-ginsenoside F1 (1), 12α-hydroxyl-ginsneoside Rd (2), 20(S)-ginsenoside Rg3 (3), and 5,6-didehydro-20(S)-ginsenoside Rg3 (4). Conclusion Compound 4 is a novel ginsenoside, compounds 1 and 2 are new natural products.
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[基金项目]
国家自然科学基金资助项目(81603272);大连市高层次人才创新支持计划(2017RQ152);辽宁省高等学校创新团队支持计划(LT2016017);大连市科技创新基金(2018J12SN062)