Three new saponins,3 O {〔β D glucopyranosyl (16) β D glucopyranosyl(12)〕 〔β D glucopyranosyl(13)〕 α L arabinopyranosyl}oleanolic acid 28 O β D glucopyranosyl (16) β D glucopyranoside(congmunoside Ⅻ,...Three new saponins,3 O {〔β D glucopyranosyl (16) β D glucopyranosyl(12)〕 〔β D glucopyranosyl(13)〕 α L arabinopyranosyl}oleanolic acid 28 O β D glucopyranosyl (16) β D glucopyranoside(congmunoside Ⅻ,1),3 O {〔β D glucopyranosyl (16) β D glucopyranosyl(12)〕 〔β D glucopyranosyl(13) β D glucopyranosyl(13)〕 α L arabinopyranosyl}oleanolic acid 28 O β D glucopyranosyl (16) β D glucopyranoside(congmunoside ,2),Oleanolic acid 3 O {〔β D xylopyranosyl (12)〕 〔β D galactopyranosyl (13)〕 (β D glucuronopyranoside 6′ O butyl ester)} 28 O β D glucopyranoside(congmunoside ,3),were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of chemical and spectroscopy methods.展开更多
Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopy...Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopyranosyl (1→3)〕 〔α L arabinofuranosyl (1→4)〕 β D glucuronopyranosyl} oleanolic acid 28 O β D glucopyranosyl (1→6) β D glucopyranoside,(congmunoside Ⅺ,2)were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of the chemical and spectroscopy methods.展开更多
A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Se...A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Seem.Its structure was determined on the basis of the chemical and spectroscopy methods.展开更多
A new saponin,3-O-{[β-D-glucopyranos yl (1→2)]-[β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl}hederag enin 28-O-β-D-glucopyranosyl ester(congmunoside Ⅶ),was isolated fr om the root bark of Aralia elata(Miq.)Seem....A new saponin,3-O-{[β-D-glucopyranos yl (1→2)]-[β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl}hederag enin 28-O-β-D-glucopyranosyl ester(congmunoside Ⅶ),was isolated fr om the root bark of Aralia elata(Miq.)Seem.Its structure was determined on t he basis of chemical and spectroscopic methods.展开更多
目的:测定并比较不同产地和不同采收期辽东楤木叶中3-O-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-齐墩果酸-28-O-β-D-吡喃葡萄糖苷(楤木皂苷TTP)和3-O-[β-D-葡萄吡喃糖基(1→2)]-[β-D-葡萄吡喃糖基(1→...目的:测定并比较不同产地和不同采收期辽东楤木叶中3-O-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-齐墩果酸-28-O-β-D-吡喃葡萄糖苷(楤木皂苷TTP)和3-O-[β-D-葡萄吡喃糖基(1→2)]-[β-D-葡萄吡喃糖基(1→3)]-β-D-葡萄吡喃糖基-齐墩果酸-28-O-β-D-葡萄吡喃糖酯(楤木皂苷V)的含量。方法:采用高效液相色谱蒸发光散射检测(HPLC-ELSD)法,使用Diamonsil C_(18)(2)色谱柱(4.6 mm×250 mm,5μm),流动相乙腈-水(31∶69),流速1.0 m L·min^(-1),柱温30℃,蒸发光散射检测器漂移管温度110℃,载气(N2),流速3.2 m L·min^(-1)。结果:楤木皂苷TTP和楤木皂苷V分别在进样量0.51~2.55μg和0.50~4.00μg线性关系良好,相关系数分别为0.999 8和0.999 2。结果表明,不同产地和不同采收期辽东楤木叶中楤木皂苷TTP和楤木皂苷V的含量有所差异,可能与辽东楤木分布区域、生长季节及叶片生理状态有关,由实验结果可以看出,两种皂苷类成分大多在7,8月的含量相对较高,部分地区9月含量较高。结论:该方法简单、快捷、准确,可以同时测定辽东楤木叶中楤木皂苷TTP和楤木皂苷V的含量,为辽东楤木叶质量控制提供实验依据。展开更多
文摘Three new saponins,3 O {〔β D glucopyranosyl (16) β D glucopyranosyl(12)〕 〔β D glucopyranosyl(13)〕 α L arabinopyranosyl}oleanolic acid 28 O β D glucopyranosyl (16) β D glucopyranoside(congmunoside Ⅻ,1),3 O {〔β D glucopyranosyl (16) β D glucopyranosyl(12)〕 〔β D glucopyranosyl(13) β D glucopyranosyl(13)〕 α L arabinopyranosyl}oleanolic acid 28 O β D glucopyranosyl (16) β D glucopyranoside(congmunoside ,2),Oleanolic acid 3 O {〔β D xylopyranosyl (12)〕 〔β D galactopyranosyl (13)〕 (β D glucuronopyranoside 6′ O butyl ester)} 28 O β D glucopyranoside(congmunoside ,3),were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of chemical and spectroscopy methods.
文摘Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopyranosyl (1→3)〕 〔α L arabinofuranosyl (1→4)〕 β D glucuronopyranosyl} oleanolic acid 28 O β D glucopyranosyl (1→6) β D glucopyranoside,(congmunoside Ⅺ,2)were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of the chemical and spectroscopy methods.
文摘A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Seem.Its structure was determined on the basis of the chemical and spectroscopy methods.
文摘A new saponin,3-O-{[β-D-glucopyranos yl (1→2)]-[β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl}hederag enin 28-O-β-D-glucopyranosyl ester(congmunoside Ⅶ),was isolated fr om the root bark of Aralia elata(Miq.)Seem.Its structure was determined on t he basis of chemical and spectroscopic methods.
文摘目的:测定并比较不同产地和不同采收期辽东楤木叶中3-O-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-(1→3)-β-D-葡萄吡喃糖基-齐墩果酸-28-O-β-D-吡喃葡萄糖苷(楤木皂苷TTP)和3-O-[β-D-葡萄吡喃糖基(1→2)]-[β-D-葡萄吡喃糖基(1→3)]-β-D-葡萄吡喃糖基-齐墩果酸-28-O-β-D-葡萄吡喃糖酯(楤木皂苷V)的含量。方法:采用高效液相色谱蒸发光散射检测(HPLC-ELSD)法,使用Diamonsil C_(18)(2)色谱柱(4.6 mm×250 mm,5μm),流动相乙腈-水(31∶69),流速1.0 m L·min^(-1),柱温30℃,蒸发光散射检测器漂移管温度110℃,载气(N2),流速3.2 m L·min^(-1)。结果:楤木皂苷TTP和楤木皂苷V分别在进样量0.51~2.55μg和0.50~4.00μg线性关系良好,相关系数分别为0.999 8和0.999 2。结果表明,不同产地和不同采收期辽东楤木叶中楤木皂苷TTP和楤木皂苷V的含量有所差异,可能与辽东楤木分布区域、生长季节及叶片生理状态有关,由实验结果可以看出,两种皂苷类成分大多在7,8月的含量相对较高,部分地区9月含量较高。结论:该方法简单、快捷、准确,可以同时测定辽东楤木叶中楤木皂苷TTP和楤木皂苷V的含量,为辽东楤木叶质量控制提供实验依据。