Twenty four compounds were isolated from the roots of Codonopsis pilosula produced in Xundian of Yunnan province,which is well known as Choushen.Their structures were identified as choushenglycolipid A (1),(-)-(7R,8S,7'E)-4-hydroxy-3,5'-dimethoxy-7,4'-epoxy-8,3'-neolign-7'-ene-9,9'-diol 9'-ethyl ether (2),(7S,8R)-dihydrodehydrodiconiferyl alcohol (3),3-O-demethyldihydrodehydrodiconiferyl alcohol (4),prunustosanan AI (5),threo-guaiacylglycerol-β-O-4-lariciresinol ether (6),(+)-lariciresinol (7),5'-methoxylariciresinol (8),(-)-(7'S,8 S,8'R)-4,4'-dihydroxy-3,3',5,5'-tetramethoxy-7',9-epoxy-lignan-9'-ol-7-one (9),(7S,8S)-3-methoxy-3',7-epoxy-8,4'-oxyneoligna4,9-diol 9'-O-β-D-glucopyranoside (10),(-)-secoisolariciresinol (11),(+)-isolariciresinol (12),burselignan (13),threo-guaiacylglycerol-β-O-4'-coniferyl ether (14),4-[1-ethoxyl-1-(4-hydroxy-3-methoxy) benzyl] methyl-2-(4-hydroxy-3-methoxy) benzyl-3-hydroxymethyl-tetrahydro-furan (15),(-)-(7R,7'R,7" R,8 S,8'S,8" S)-4',4''-dihydroxy-3,3',3",5-tetramethoxy-7,9':7',9-diepoxy-4,8"-oxy-8,8'-sesquineolignan-7",9''-diol (16),(+)-pinoresinol-4'-O-β-D-glucopyranoside (17),retusin-8-methylether (18),ladanein (19),wighteone (erythrinin B) (20),3-methoxy-9-hydroxy-pterocarpan (21),trichocarpin (22),(Z)-8-O-β-D-glucopyranosylcinnamic acid (23) and 4-hydroxycinnamyl-O-β-D-glucopyranoside (24),respectively,by spectroscopic methods.Compound 1 is new and the other compounds with exception of compounds 7,11-13,23 and 24 were isolated from the genus Codonopsis for the first time.%采用色谱法从臭参中分离得到24个化合物,利用波谱学方法鉴定了它们的结构,分别鉴定为choushenglycolipid A(1)、(-)-(7R,8S,7'E)-4-hydroxy-3,5'-dimethoxy-7,4'-epoxy-8,3'-neolign-7'-ene-9,9'-diol 9'-ethyl ether(2) 、(7S,8R)-dihydrodehydrodiconiferyl alcohol(3)、3-O-demethyldihydrodehydrodiconiferyl alcohol(4)、prunustosanan AI(5)、threo-guaiacylglycerol-β-O-4-lariciresinol ether(6)、(+)-落叶松脂素(7)、5'-methoxylariciresinol (8)、(-)-(7'S,8S,8'R)-4,4'-dihydroxy-3,3',5,5'-tetramethoxy-7',9-epoxy-lignan-9'-ol-7-one(9)、(7S,8S)-3-methoxy-3',7-epoxy-8,4'-oxyneoligna-4,9-diol 9'-O-β-D-glucopyranoside(10)、(-)-secoisolariciresinol(11)、(+)-异落叶松脂素(12) 、burselignan(13) 、threo-guaiacylglycerol-β-O-4'-coniferyl ether(14)、4-[1-乙氧基-1-(4'-羟基-3'-甲氧基)苯基]甲基-2-(4-羟基-3-甲氧基)苯基-3-羟甲基四氢呋喃(15)、(-)-(7R,7'R,7"R,8JS,8'S,8"S)4',4"-dihydroxy-3,3',3",5-tetramethoxy-7,9':7',9-diepoxy-4,8"-oxy-8,8'-sesquineolignan-7",9"'-diol(16)、连翘脂素-4'-O-β-D-葡萄糖苷(17)、retusin-8-methylether(18)、ladanein(19)、怀特酮(20)、3-methoxy-9-hydroxy-pterocarpan(21) 、trichocarpin(22)、(Z)-8-O-β-D-glucopyranosyl cinnamic acid(23)和4-hydroxycinnamyl-O-β-D-glucopyranoside(24).化合物1为新化合物,除化合物7、11 ～ 13、23和24外,其余化合物均为首次从本属中被分离得到.
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