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利用反复硅胶柱色谱,PTLC,C-18柱色谱,半制备HPLC,Sephadex LH-20等手段,从中分离得到了30余个化合物,通过理化性质分析和波谱解析鉴定了其中的27个,这些化合物中10个为新化合物(其中一个为碱水解产物prosapogenin G1),5个化合物为从该属植物中首次分离得到。 作者从桔梗中分离得到的新化合物分别命名为:桔梗次皂苷G1(3-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-2β,3β,16α,23,24-pentahydroxyolean-12-ene-28-oic acid,prosapogenin G1),(1),桔梗皂苷Ⅰ(3-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-polygalacic acid 28-O-β-D-xylpyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅰ)(2),桔梗皂苷Ⅱ(3-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-polygalacic acid 28-O-β-D-xylpyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅱ)(3),桔梗皂苷Ⅲ(3-O-β-D-glucopyranosyl polygalacic acid 28-O-β-D-xylopyranosyl(1→4)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅲ)(4),桔梗皂苷Ⅳ(3-O-β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl-2β,3β,16α,23,24-pentahydroxyolean-12-ene-28-oic acid,Jiegengnoside Ⅳ)(5),桔梗皂苷Ⅴ(3-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl-2β,3β,16α,23,24-pentahydroxy-olean-12-ene-28-oic acid,Jiegengnoside Ⅴ)(6),桔梗皂苷Ⅵ(3-O-β-D-glucopyranosyl platyconic acid A lactone,Jiegengnoside Ⅵ)(7),桔梗皂苷Ⅶ(3-O-β-D-glucopyranosyl(1→6)-β-D-glucopyranosyl platyconic acid A lactone 28-O-β-D-xylopyranosyl-(1→4)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅶ)(8),桔梗皂苷Ⅷ(3-O-β-D-glucopyranosyl platyconic acid A lactone 28-O-β-D-xylopyranosyl(1→4)-3″-O-acetyl-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅷ)(9),桔梗皂苷Ⅸ(methyl 3-O-β-D-glucopyranosyl platycogenate A 28-O-β-D-xylopyranosyl(1→4)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl ester,Jiegengnoside Ⅸ)(10)。作者