1H-NMR、13C-NMR、HSQC、HMBC)進(jìn)行結(jié)構(gòu)鑒定。結(jié)果 從PNS酸水解產(chǎn)物中分離得到18個化合物,分別鑒定為達(dá)瑪-25-烯-24-過氧羥基-3β,6α,12β,20S-四醇(1)、6α,12β,20S-三羥基-達(dá)瑪烷-24-烯-3-O-β-D-吡喃葡萄糖基-(1→2)-β-D-吡喃葡萄糖苷(2)、6α,12β,20R-三羥基-達(dá)瑪烷-24-烯-3-O-β-D-吡喃葡萄糖基-(1→2)-β-D-吡喃葡萄糖苷(3)、越南人參皂苷R8(4)、24(S)-擬人參皂苷GQ(5)、人參皂苷Rg5(6)、20(R)-人參皂苷Rg3(7)、20(R)-人參皂苷Rk2(8)、3β,12β-二羥基-達(dá)瑪烷-E-20(22),24-二烯-6-O-β-D-木糖基-(1→2)-β-D-吡喃葡萄糖苷(9)、20(S)-人參皂苷Rg2(10)、人參皂苷SL1(11)、20(R)-人參皂苷Rh1(12)、20(22)E-人參皂苷Rh4(13)、25-羥基-20(R)-人參皂苷Rh1(14)、(3β,6α,12β,20S)-20,25-環(huán)氧-3-12-二羥基-達(dá)瑪-6-O-β-D-吡喃葡萄糖苷(15)、20(R)-原人參二醇(16)、20(R)-原人參三醇(17)、20(S)-原人參三醇(18)。結(jié)論 化合物1為1個新的四環(huán)三萜化合物,化合物2~5為三七及PNS轉(zhuǎn)化產(chǎn)物中首次分離得到。;Objective To study the chemical constituents in acid hydrolysates of Panax notoginseng saponins (PNS). Methods These compounds were separated and purified by column chromatography, and their structures were elucidated based on spectroscopic analyses (HR-ESI-MS, ESI-MS, 1H-NMR, 13C-NMR, HSQC and HMBC). Results Eighteen compounds were obtained from the acid hydrolysates of PNS and characterized as dammar-25-ene-24-hydroperoxyl-3β,6α,12β,20S-tetraol (1), 6α,12β,20S-trihydroxy-dammarane-24-ene-3-O-β-D-glucopyranosyl-(1→2)-β-D-glucopyranoside (2), 6α,12β,20R-trihydroxy-dammarane-24-ene-3-O-β-D-glucopyranosyl-(1→2)-β-D-glucopyranoside (3), vina-ginsenoside-R8 (4), 24(S)-pseudo-ginsenoside-GQ (5), ginsenoside Rg5 (6), 20 (R)-ginsenoside Rg3 (7), 20(R)-ginsenoside Rk2 (8), 3β,12β-dihydroxy-dammar-(E)-20(22),24-diene-6-O-β-D-xylopyranosyl-(1→2)-β-D-glucopyranoside (9), 20(S)-ginsenoside Rg2 (10), ginsenoside SL1 (11), 20(R)-ginsenoside Rh1 (12), 20(22) E-ginsenoside Rh4 (13), 25-hydroxy-20(R) ginsenoside-Rh1 (14),3β,6α,12β,20(S)-20,25-epoxy-3,12-dihydroxy-dammarane-6-O-β-D-glucopyranoside (15), 20(R)-protopanaxadiol (16), 20(R)-protopanaxatriol (17), and 20(S)-protopanaxatriol (18). Conclusion Compound 1 is a new triterpen saponin, and compounds 2-5 are isolated from P. notoginseng and acid dydrolysates of PNS for the first time."/>