Cholest-22-ene-21-ol,
3,5-dehydro-6-methoxy-,
50 34.55 51 34.91 52 35.19 53 35.45 54 35.60 55 36.63 56
37.82
57 39.30 58 39.90 59
40.68
60 41.58 61 42.45 62 42.95 63 43.70 64 43.97 65 44.32 66 44.89 67 45.24 68
46.48
69 46.81 0.09
pivalate
0.04 1-Heptatriacotanol
2-[4-methyl-6-(2,6,6-trimethylcyclohex-1-enyl)hexa-1,0.05
3,5-trienyl]cyclohex-1-en-1-carboxaldehyde
0.46 Hexadecanoic acid, methyl ester 0.67 Androst-5,7-dien-3-ol-17-one
4.01
l-(+)-Ascorbic acid 2,6-dihexadecanoate
41.65 n-Hexadecanoic acid
ebutanoic
acid,
1.01 2-[[2-[[2-[(2-pentylcyclopropyl)methyl]cyclopropyl]methyl]cyclopropyl]methyl]-, methyl ester
0.61 10,12,14-Nonacosatriynoic acid 0.76
Linoleic acid ethyl ester 2-Phenanthrenecarboxaldehyde,
0.16 1,2,3,4,4a,4b,5,6,7,8,8a,9-dodecahydro-7-hydroxy-2,4b,8,8-tetramethyl
13.39 9,12-Octadecadienoic acid (Z,Z)- 0.33 6,9,12,15-Docosatetraenoic acid, methyl ester 9,12,15-Octadecatrienoic acid, 2,3-dihydroxypropyl
0.18
ester, (Z,Z,Z)-
9.80 Docosahexaenoic acid, 1,2,3-propanetriyl ester 0.58 Retinol
2.58 Ursodeoxycholic acid
0.25 Podocarp-7-en-3β-ol, 13β-methyl-13-vinyl- Cholest-22-ene-21-ol,
3,5-dehydro-6-methoxy-,
0.53
pivalate xaene,
2,6,10,15,19,23-hexamethyl-,
(all-E)-,
0.25
didehydro deriv.
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C33H54O3 C37H76O C23H32O C17H34O2 C19H26O2 C38H68O8 C16H32O2 C25H42O2
C29H46O2 C20H36O2
C19H30O2
C18H32O2 C23H38O2 C21H36O4 C69H98O6 C20H30O C24H40O4 C20H32O C33H54O3
C30H48
Cholest-22-ene-21-ol,
70 71 49.16 49.74 0.17
pivalate
0.04 3,5-dehydro-6-methoxy-,
C33H54O3
psi.,.psi.-Carotene, 1,1',2,2'-tetrahydro-1,1'-dimethoxy- C42H64O2 72 50.77 73 50.99 74 51.25 75 51.73 76 52.21 77
52.39
78 52.73 79 53.02 80 53.17 81 53.56 82 54.22 83 55.30 84 55.73 85 56.35 86 58.34 87 58.73 88 58.93 89
59.43
90 59.90 0.11 Rhodopin
0.10 epoxy-3,17-dihydroxy-16-methyl-, (3β,5α,6α,16α)- 0.10 Cholesta-5,7,9(11)-trien-3-ol acetate 0.46 Docosanoic acid, 1,2,3-propanetriyl ester hydroxy-3a-methoxy-1,1,5,7-tetramethyl-, 0.06
[1aR-(1aα,1bβ,1cβ,2aβ,3aα,6aα,6bα,7α,8β,8aα)]-
0.12 Cholesta-5,7,9(11)-trien-3-ol acetate Pregnan-20-one,
0.04 5,6-epoxy-3,17-dihydroxy-16-methyl-, (3β,5α,6α,16α)-
0.10 Pregn-4-ene-3,20-dione, 16,17-epoxy-, (16α)- 0.03 14,15-epoxy-3,16-dihydroxy-, (3β,5β,15β,16β)- 0.02 Rhodopin
0.18 17-Pentatriacontene
Olean-12-ene-3,15,16,21,22,28-hexol, 0.27
(3β,15α,16α,21β,22α)-
0.29 Rhodopin 0.37 Trilinolein
1.68 4-Normethyl-9,19-cyclolanoststan-7-one, 3-acetoxy- 0.17 Lanosta-8,24-diene-3,22-diol, diacetate, (3β,22R)- Cholest-22-ene-21-ol, 3,5-dehydro-6-methoxy-,
0.08
pivalate
0.11 Ethyl iso-allocholate 11-hexol,
0.13 1,1a,2,3,4,4a,5,6,7,10,11,11a-dodecahydro-1,1,3,6,9-pentamethyl-, 2,4,7,10,11-pentaacetate
12
C40H58O C22H34O4 C29H44O2 C69H134O6C27H36O10 C29H44O2 C22H34O4
C21H28O3 C24H32O5 C40H58O C35H70 C30H50O6 C40H58O C57H98O6 C31H50O3 C34H54O4 C33H54O3 C26H44O5
C30H44O11
3-Desoxo-3,16-dihydroxy-12-desoxyphorbol
91 92
60.06 60.34
0.12
3,13,16,20-tetraacetate
0.03
Withaferin
C28H38O10 C28H38O6
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3 结 论
通过气质联用方法分析了甘肃定西岷县产黄芪挥发油成分，共分离出九十二种化合物，占总组分质量分数的89.46%（结果见表2.3）。主要有十六酸（41.65 %） 9,12-亚油酸（13.39%） 。
从结果发现，黄芪挥发油成分与文献报道差异较大，这很可能是由于产地不同所致。
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4 讨 论
本实验通过水蒸气蒸馏法提取黄芪挥发油，并对所得挥发油用气相色谱-质谱的方法进行了分析。采用水蒸气蒸馏法提取挥发油方法经典成熟，不易造成污染，提取过程发现因药材质轻易浮于水面上。因此在浸泡过程中需要不断搅拌，使药材组织细胞充分膨胀。
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