从石竹科植物金铁锁 (PsammosilenetunicoidesW .C .WuetC .Y .Wu)根部分离得到4个齐墩果酸型五环三萜皂苷。它们的结构通过波谱和化学方法分别鉴定为 :3 O β D galac topyranosyl (1→ 2 ) β D 6 O methylglucuronopyranosyl quill...从石竹科植物金铁锁 (PsammosilenetunicoidesW .C .WuetC .Y .Wu)根部分离得到4个齐墩果酸型五环三萜皂苷。它们的结构通过波谱和化学方法分别鉴定为 :3 O β D galac topyranosyl (1→ 2 ) β D 6 O methylglucuronopyranosyl quillaicacid (1) ,3 O β D galactopyranosyl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D glucuronopyranosyl quillaicacid (2 ) ,3 O β D galactopyrano syl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D 6 O methylglucuronopyranosyl quillaicacid (3) ,3 O β D galactopyranosyl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D 6 O ethylglucuronopyranosyl quillaicacid(4 )。其中 1为木鳖子中发现的次甙 ,3和 4为新化合物。展开更多
The saponins of Sapindus mukurossi was analyzed by tandem mass spectrometry.The molecular weights of 12 saponins from the total saponin of S.mukurossi were determined by positive and negative ions ESI-MS and their mol...The saponins of Sapindus mukurossi was analyzed by tandem mass spectrometry.The molecular weights of 12 saponins from the total saponin of S.mukurossi were determined by positive and negative ions ESI-MS and their molecular formula were acquired by HR-ESI-MS.Furthermore,the four hederagenin saponins and seven acyclic sesquiterpene saponins were identified based on the tandem mass spectrometry.展开更多
文摘从石竹科植物金铁锁 (PsammosilenetunicoidesW .C .WuetC .Y .Wu)根部分离得到4个齐墩果酸型五环三萜皂苷。它们的结构通过波谱和化学方法分别鉴定为 :3 O β D galac topyranosyl (1→ 2 ) β D 6 O methylglucuronopyranosyl quillaicacid (1) ,3 O β D galactopyranosyl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D glucuronopyranosyl quillaicacid (2 ) ,3 O β D galactopyrano syl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D 6 O methylglucuronopyranosyl quillaicacid (3) ,3 O β D galactopyranosyl (1→ 2 ) [β D xylopyranosyl (1→ 3) ] β D 6 O ethylglucuronopyranosyl quillaicacid(4 )。其中 1为木鳖子中发现的次甙 ,3和 4为新化合物。
文摘The saponins of Sapindus mukurossi was analyzed by tandem mass spectrometry.The molecular weights of 12 saponins from the total saponin of S.mukurossi were determined by positive and negative ions ESI-MS and their molecular formula were acquired by HR-ESI-MS.Furthermore,the four hederagenin saponins and seven acyclic sesquiterpene saponins were identified based on the tandem mass spectrometry.
