Fig. S1 Total ions chromatograms of EOs obtained with different extraction methods. (A: Amomum kravanh powder treated by HD; B: Amomum kravanh powder treated by MHD; C: Amomum kravanh powder treated by DES-MHD; D: Amomum tsaokopowder treated by MHD; E: Amomum tsaokopowder treated by DES-MHD; F: Amomum villosumpowder treated by MHD; G: Amomum villosumpowder treated by DES-MHD. The conditions applied for DES-MHD were the optimized ones.)
Table S1 Identification basis for EO components from Amomumspecies.
No. / Compound name / CAS# / Formula / MW / RIa / RIb / Peaksc(Abundance‰) / Peaksd
(Abundance‰) / ID approach
1 / 1-Isopropyl-4-methylbicyclo[3.1.0]hex-2-ene / 58037-87-9 / C10H16 / 136 / 872 / 873e / 91, 93, 77
(999, 604, 462) / 93, 77, 91
(999, 363, 352) / RI, MS
2 / Cyclofenchene / 488-97-1 / C10H16 / 136 / 879 / 888 / 91, 93, 92
(999, 864, 466) / 93, 92, 91
(999, 321, 304) / RI, MS
3 / α-Thujene / 2867-05-2 / C10H16 / 136 / 911 / 909 / 91, 93, 77
(999, 840, 653) / 93, 91, 77
(999, 349, 342) / RI, MS
4 / Santolina triene / 2153-66-4 / C10H16 / 136 / 918 / 914 / 93, 91, 77
(999, 775, 428) / 93, 41, 79
(999, 724, 695) / RI, MS
5 / L-α-Pinene / 7785-26-4 / C10H16 / 136 / 923 / 937 / 93, 91, 69
(999, 929, 516) / 93, 39, 91
(999, 619, 596) / RI, MS
6 / 1-Octanal / 124-13-0 / C8H16O / 128 / 936 / 943 / 67, 56, 57
(999, 993, 859) / 41, 43, 57
(999, 883, 809) / RI, MS
7 / Tricyclene / 508-32-7 / C10H16 / 136 / 952 / 940 / 91, 93, 121
(999, 996, 712) / 93, 41, 39
(999, 275, 234) / RI, MS
8 / 1-Methyl-2-isopropylbenzene / 527-84-4 / C10H14 / 134 / 959 / 1028.4f / 119, 91, 117
(999, 493, 322) / 119, 91, 134
(999, 393, 256) / MS
9 / Camphene / 79-92-5 / C10H16 / 136 / 963 / 965.9 / 67, 93, 79
(999, 718, 517) / 93, 121, 79
(999, 582, 399) / RI, MS
10 / Eucalyptol / 470-82-6 / C10H18O / 154 / 968 / 1030g / 93, 81, 69
(999, 911, 593) / 43, 81, 71
(999, 727, 506) / MS
11 / 1-Decene / 872-05-9 / C10H20 / 140 / 984 / 988.8 / 55, 67, 83
(999, 503, 487) / 41, 55, 56
(999, 756, 720) / RI, MS
12 / α-Pinene / 127-91-3 / C10H16 / 136 / 986 / 990 / 91, 93, 77
(999, 880, 472) / 93, 41, 69
(999, 609, 350) / RI, MS
13 / 2-Carene / 554-61-0 / C10H16 / 136 / 1011 / 1010 / 93, 91, 81
(999, 964, 714) / 93, 121, 136
(999, 903, 549) / RI, MS
14 / (E,E)-2,4-Heptadienal / 4313-03-5 / C7H10O / 110 / 1015 / 1016 / 81, 69, 79
(999, 323, 255) / 81, 28, 39
(999, 344, 341) / RI, MS
15 / Isodiprene / 13466-78-9 / C10H16 / 136 / 1020 / 1023 / 93, 55, 71
(999, 843, 796) / 93, 91, 79
(999, 312, 269) / RI, MS
16 / DL-Camphor / 21368-68-3 / C10H16O / 152 / 1070 / 1121h / 95, 67, 81
(999, 710, 691) / 95, 41, 81
(999, 888, 701) / MS
17 / Pentanal, 5-(methylenecyclopropyl)- / N/A / C9H14O / 138 / 1076 / 1074e / 67, 79, 81
(999, 678, 480) / 79, 41, 39
(999, 692, 557) / RI, MS
18 / Myrcenol / 543-39-5 / C10H18O / 154 / 1087 / 1084 / 59, 81, 67
(999, 826, 449) / 59, 43, 79
(999, 519, 350) / RI, MS
19 / α-Santoline alcohol / 90823-36-2 / C10H18O / 154 / 1090 / 1105e / 95, 67, 79
(999, 467, 224) / 95, 67, 41
(999, 490, 302) / RI, MS
20 / 4-Isopropyl-1-methyl-2-cyclohexen-1-ol / 29803-82-5 / C10H18O / 154 / 1097 / 1103 / 71, 93, 91
(999, 911, 558) / 43, 93, 139
(999, 448, 385) / RI, MS
21 / 4,7,7-Trimethylbicyclo[4.1.0]heptan-3-ol / 54750-08-2 / C10H18O / 154 / 1109 / 1125e / 93, 59, 67
(999, 966, 915) / 93, 41, 121
(999, 965, 890) / RI, MS
22 / L-pinocarveol / 547-61-5 / C10H16O / 152 / 1118 / 1113 / 91, 55, 92
(999, 862, 839) / 92, 55, 70
(999, 911, 910) / RI, MS
23 / Verbenol / 473-67-6 / C10H16O / 152 / 1146 / 1144 / 69, 67, 79
(999, 964, 627) / 41, 94, 59
(999, 963, 849) / RI, MS
24 / (R)-Lavandulol / 498-16-8 / C10H18O / 154 / 1156 / 1155 / 69, 67, 93
(999, 665, 413) / 69, 41, 111
(999, 619, 295) / RI, MS
25 / trans-2-Nonenal / 18829-56-6 / C9H16O / 140 / 1168 / 1161 / 55, 70, 83
(999, 664, 615) / 43, 55, 70
(999, 891, 861) / RI, MS
26 / Geranial / 5392-40-5 / C10H16O / 152 / 1172 / 1174e / 69, 67, 83
(999, 535, 290) / 69, 41, 84
(999, 460, 286) / RI, MS
27 / Isobornyl formate / 1200-67-5 / C11H18O2 / 182 / 1189 / 1227 / 95, 93, 121
(999, 688, 436) / 95, 93, 121
(999, 576, 571) / MS
28 / 2-Heptylfuran / 3777-71-7 / C11H18O / 166 / 1193 / 1195 / 81, 95, 53
(999, 290, 264) / 81, 82, 95
(999, 270, 186) / RI, MS
29 / 1-Phenylpentane / 538-68-1 / C11H16 / 148 / 1199 / 1191e / 91, 119, 65
(999, 223, 177) / 91, 92, 148
(999, 664, 195) / RI, MS
30 / 2-Phenylbutanal / 2439-43-2 / C10H12O / 148 / 1215 / 1216e / 91, 119, 77
(999, 279, 259) / 91, 119, 148
(999, 419, 167) / RI, MS
31 / 4-Indanecarbaldehyde / 51932-70-8 / C10H10O / 146 / 1246 / 1348i / 117, 115, 146
(999, 811, 586) / 117, 146, 115
(999, 727, 697) / MS
32 / Neryl alcohol / 106-25-2 / C10H18O / 154 / 1253 / 1251 / 67, 93, 69
(999, 970, 869) / 69, 93, 41
(999, 960, 942) / RI, MS
33 / 1-(2-Methylphenyl)-2-propen-1-ol / 39627-62-8 / C10H12O / 148 / 1260 / 1258e / 91, 119, 92
(999, 262, 201) / 91, 130, 119
(999, 786, 603) / RI, MS
34 / Nerol acetate / 141-12-8 / C12H20O2 / 196 / 1270 / 1287 / 69, 67, 93
(999, 807, 524) / 69, 41, 43
(999, 601, 433) / RI, MS
35 / (2Z)-2-Phenyl-2-butenal / 4411-89-6 / C10H10O / 146 / 1274 / 1273 / 115, 117, 145
(999, 984, 677) / 117, 146, 115
(999, 875, 803) / RI, MS
36 / 4-(1-Methylethylidene)-1,2-divinylcyclohexane / 34528-95-5 / C13H20 / 176 / 1286 / 1281e / 67, 79, 93
(999, 724, 695) / 79, 91, 41
(999, 795, 763) / RI, MS
37 / 1-Tridecyne / 26186-02-7 / C13H24 / 180 / 1295 / 1296 / 67, 81, 55
(999, 839, 549) / 81, 67, 41
(999, 829, 682) / RI, MS
38 / à-Santalene / 512-61-8 / C15H24 / 204 / 1313 / 1420 / 91, 93, 94
(999, 820, 785) / 41, 94, 93
(999, 961, 928) / MS
39 / 2-Methyl-3-methylene-2-(4-methyl-3-pentenyl)bicyclo[2.2.1]heptane / 25532-78-9 / C15H24 / 204 / 1340 / 1448 / 94, 79, 91
(999, 783, 775) / 94, 41, 122
(999, 498, 285) / MS
40 / α-Elemene / 515-13-9 / C15H24 / 204 / 1350 / 1353 / 93, 91, 67
(999, 618, 456) / 81, 93, 68
(999, 948, 719) / RI, MS
41 / (2E)-2-Undecenal / 53448-07-0 / C11H20O / 168 / 1354 / 1361 / 55, 67, 81
(999, 863, 772) / 41, 70, 43
(999, 755, 685) / RI, MS
42 / Isoledene / N/A / C15H24 / 204 / 1365 / 1373 / 91, 161, 105
(999, 996, 967) / 161, 105, 119
(999, 896, 502) / RI, MS
43 / Patchoulol / 5986-55-0 / C15H26O / 222 / 1370 / 1420e / 137, 93, 67
(999, 878, 845) / 41, 222, 43
(999, 829, 776) / MS
44 / α-Cubebene / 13744-15-5 / C15H24 / 204 / 1373 / 1379 / 91, 105, 161
(999, 869, 669) / 161, 91, 41
(999, 632, 579) / RI, MS
45 / 1,1,7-Trimethyl-4-methylenedecahydro-1H-cyclopropa[e]azulene / 72747-25-2 / C15H24 / 204 / 1379 / 1386e / 91, 79, 93
(999, 972, 839) / 41, 161, 93
(999, 811, 704) / RI, MS
46 / α-Gurjunene / 489-40-7 / C15H24 / 204 / 1385 / 1382 / 105, 91, 93
(999, 956, 738) / 41, 105, 91
(999, 809, 714) / RI, MS
47 / α-Caryophyllene / 87-44-5 / C15H24 / 204 / 1392 / 1399 / 91, 67, 93
(999, 875, 850) / 93, 133, 91
(999, 921, 858) / RI, MS
48 / α-Copaene / 3856-25-5 / C15H24 / 204 / 1403 / 1402 / 119, 105, 161
(999, 879, 831) / 161, 105, 119
(999, 998, 971) / RI, MS
49 / 4,11,11-Trimethyl-8-methylenebicyclo[7.2.0]undec-4-ene / 118-65-0 / C15H24 / 204 / 1406 / 1413 / 91, 77, 93
(999, 615, 506) / 41, 69, 93
(999, 817, 778) / RI, MS
50 / α-Patchoulene / 560-32-7 / C15H24 / 204 / 1410 / 1396 / 107, 93, 91
(999, 941, 861) / 135, 93, 107
(999, 920, 750) / RI, MS
51 / α-Himachalene / 3853-83-6 / C15H24 / 204 / 1422 / 1427 / 93, 91, 105
(999, 970, 941) / 93, 41, 94
(999, 927, 861) / RI, MS
52 / 2-Isopropenyl-1-methyl-4-(1-methylethylidene)-1-vinylcyclohexane / 30824-67-0 / C15H24 / 204 / 1432 / 1434 / 93, 67, 59
(999, 945, 795) / 121, 93, 41
(999, 692, 631) / RI, MS
53 / α-Bergamotene / 17699-05-7 / C15H24 / 204 / 1436 / 1440 / 67, 93, 91
(999, 837, 702) / 93, 41, 119
(999, 884, 856) / RI, MS
54 / α-Farnesene / 18794-84-8 / C15H24 / 204 / 1441 / 1437 / 93, 69, 67
(999, 902, 887) / 69, 41, 93
(999, 904, 781) / RI, MS
55 / τ-Gurjunene / 22567-17-5 / C15H24 / 204 / 1460 / 1465 / 81, 79, 91
(999, 519, 470) / 41, 91, 105
(999, 762, 754) / RI, MS
56 / Aromadendrene / 109119-91-7 / C15H24 / 204 / 1467 / 1463 / 91, 79, 67
(999, 830, 726) / 41, 91, 79
(999, 678, 507) / RI, MS
57 / Z-8-Dodecen-1-ol / 40642-40-8 / C12H24O / 184 / 1480 / 1468 / 67, 81, 55
(999, 749, 445) / 55, 67, 81
(999, 787, 657) / RI, MS
58 / α-Amorphene / 483-75-0 / C15H24 / 204 / 1521 / 1516 / 161, 105, 79
(999, 619, 563) / 105, 94, 161
(999, 657, 460) / RI, MS
59 / Eremophilene / 10219-75-7 / C15H24 / 204 / 1533 / 1530 / 95, 79, 93
(999, 896, 743) / 107, 93, 161
(999, 955, 955) / RI, MS
60 / cis-α-Bisabolene / 29837-07-8 / C15H24 / 204 / 1545 / 1555 / 67, 93, 82
(999, 838, 522) / 93, 41, 91
(999, 747, 348) / RI, MS
61 / Neoisolongifolane, hydroxy- / N/A / C15H26O / 222 / 1551 / 1555e / 95, 67, 93
(999, 991, 598) / 41, 69, 43
(999, 886, 599) / RI, MS
62 / α-Humulene / 6753-98-6 / C15H24 / 204 / 1571 / 1579e / 91, 93, 79
(999, 964, 686) / 93, 41, 80
(999, 517, 394) / RI, MS
63 / α-Santalol / 115-71-9 / C15H24O / 220 / 1686 / 1683 / 93, 91, 79
(999, 888, 638) / 93, 94, 121
(999, 794, 614) / RI, MS
a experimental RI;
b RI in database;
c experimental characteristicMS peaks;
dcharacteristic MS peaks in database;
eestimated RI in database, perhaps not accurate;
fwith 34.2% of probability by using MS match;
gwith 69.9% of probability by using MS match;
hestimated RI, with 52.4% of probability by using MS match;
iestimated RI, with 68.4% of probability by using MS match;
MW molecular weight;
ID identification;
N/A not applicable.