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. 2021 Feb 22;21:73. doi: 10.1186/s12906-021-03228-y

Table 1.

Chemical composition of the essential oil from the fruits of E. umbellata Thunb. via GC-MS

S.No RT RI Mol.
wt		 Mol.
formula		 Compound name Content (%) Hits (DB)
1 1.31 484 60 C2H4O2 Methyl formate 0.1 5
2 1.32 651 44 C2H4O Acetaldehyde 0.8 5
3 1.33 282 60 C3H8O Isopropyl alcohol 5.4 5
4 1.38 671 86 C5H10O 4-Penten-2-ol 1.2 5
5 1.39 681 88 C5H10O 2- Pentanol 1.0 5
6 1.40 515 74 C3H6O2 Methyl ethanoate 0.4 5
7 1.41 722 102 C4H6O3 Propanoic acid 0.6 4
8 1.42 487 74 C3H6O2 Acetic acid, methyl ester 6.4 5
9 1.43 576 60 C2H4O2 Acetic acid 1.2 5
10 1.43 850 130 C7H14O2 Butanoic acid, 2-methyl-, ethyl ester 0.2 5
11 1.59 699 182 C2H2Cl4O Bis -dichloromethyl -ether 8.5 3
12 1.60 662 74 C4H10O 1-Butanol 1.4 5
13 1.68 783 102 C5H10O2 n-Butyl-formate 0.4 4
14 1.69 913 132 C6H12OS Ethanethioic acid, S- (2-methylpropyl) ester 0.9 5
15 6.66 1074 120 C4H8O4 1,4-Dioxane-2,5-diol 0.7 5
16 7.47 1068 116 C5H8O3 Pentanoic acid, 4-oxo 9.5 1
17 10.01 1185 156 C10H20O Decanal 0.7 5
18 10.32 1732 176 C10H8O3 Coumarin, 7-methoxy 15.4 5
19 11.41 1056 130 C8H18O 5-methyl −3-Heptanol 0.5 5
20 12.05 1504 212 C13H24O2 Cis-5-Dodecenoic acid, methyl ester 13.1 4
21 12.31 1316 150 C9H10O2 2-Methoxy-4-vinylphenol, (p-Vinylguaiacol) 10.5 5
22 12.71 987 128 C8H16O 5-Hepten-2-one, 6-methyl 12.4 4
23 13.59 1374 172 C10H20O2 n-Decanoic acid 11.3 5
24 14.23 878 144 C8H16O2 Ethyl 3,3-dimethylbutanoate 0.4 5
25 14.77 934 116 C5H8O3 4-hydroxy, 2-Pentenoic acid 1.2 10
26 15.02 1038 154 C10H18O 2,5-Dimethyl-3-vinyl-4-hexen-2-ol 9.8 10
27 15.05 1436 186 C10H18O3 Nonanoic acid, 9-oxo-methyl ester 1.3 10
28 18.01 1307 158 C9H18O2 Nonanoic acid 1.9 10
29 18.21 1421 204 C15H24 (−)-Caryophyllene 31.2 5
30 18.80 1600 220 C15H24O Humulene Epoxide 25.4 5
31 19.31 1570 220 C15H24O (−) Caryophyllene oxide 39.4 5
32 19.31 1561 255 C16H17NO2 1-Phenyl-2-(4-methylphenyl)-3-nitropropane 1.4 5
33 19.32 1005 118 C8H6O2 Benzofuran 9.5 5
34 20.51 1522 218 C9H9NO4 2,3-Pyridinedicarboxylic acid, dimethyl ester 0.5 5
35 22.17 1692 222 C14H22O2 2,2,6-Trimethyl-1-(3-methylbuta-1,3-dienyl)-7-oxabicyclo [4.1.0]heptan-3-ol 1.5 4
36 23.91 1723 222 C15H26O 3,3,7-Trimethyltricyclo [5.3.1.02.8] undecane-11-methanol, (−)-Isolongifolol 3.5 4
37 24.05 1806 278 C20H38 7,11,15-trimethyl-3-methylidenehexadec-1-ene (Neophytadiene) 11.3 10
38 24.82 1869 242 C15H30O2 Pentadecanoic acid 4.0 10
39 24.83 2114 296 C20H40O 3,7,11,15-Tetramethyl-2-hexadecen-1-ol (Phytol) 10.4 10
40 24.90 2101 292 C19H32O2 9,12,15-Octadecatrienoic acid, methyl ester 4.1 10
41 25.03 2114 280 C20H40O 3,7,11,15-Tetramethyl-2-hexadecen-1-ol 2.5 5
42 25.03 3378 469 C32H52O2 9,19-Cycloergost-24, 28-en-3-ol, 4,14-dimethyl acetate 1.1 5
43 25.30 1195 172 C10H20O2 Octanoic acid, ethyl ester 0.9 5
44 27.55 1968 256 C16H32O2 n-hexadecanoic acid (Palmitic acid) 0.4 5
45 27.70 4765 653 C38H68O8 (L-Ascorbyl 2,6-Dipalmitate) (+)-Ascorbic acid 2,6-dihexadecanoate 15.4 5
46 27.75 1869 242 C15H30O2 Pentadecanoic acid 4.2 5
47 30.85 2183 280 C18H32O2 Cis-cis-9,12- octadecadienoic acid (Linoleic acid) 1.5 4
48 30.85 2721 352 C21H36O4 Linolenic acid, 2-hydroxy-1-(hydroxymethyl) ethyl ester 7.9 4
49 31.00 2499 348 C23H40O2 8, 11, 14- Docosatrienoic acid 11.0 5
50 32.01 2300 320 C20H34O2 8, 11, 14-Eicosatrienoic acid 0.5 5
51 31.05 2101 292 C18H30O2 9, 12, 15-Octadecatrienoic acid 8.8 5
52 31.07 2266 334 C11H20O2 Cyclo propane octanoic acid 1.5 5
53 32.08 2093 294 C18H32O2 Cis-cis-9, 12-Octadecadienoic acid-methyl ester 14.0 5
54 32.03 2808 238 C16H30O Cis-9-Hexadecanal 9.0 1
55 32.07 1609 210 C14H26O 7-Tetradecanal 2.5 3
56 32.08 2042 306 C15H24O2 Dichloroacetic acid, tridec-2-ynyl ester 3.6 4
57 32.09 2007 266 C18H34O 9-Octadecenal 4.7 5
58 32.10 2292 322 C21H38O2 Cis-11,14-Eicosadienoic acid, methyl ester 1.8 5
59 32.21 2175 282 C18H34O2 9-Octadecenoic acid 9.4 4
60 32.23 2230 296 C19H36O2 10, 2-Hexacyclo propyl decanoic acid 2.5 4
61 32.59 2167 284 C18H36O2 Octadecanoic acid 14.1 1
62 32.60 2266 334 C22H38O2 Cyclopropaneoctanoic acid 2.7 3
63 32.72 1226 138 C8H14N2 1-Butyl-2-methyl-1H-imidazole 1.5 3
64 43.00 1897 250 C9H18N2O4S 2-Butanone, 3,3-dimethyl-1-(methylsulfonyl)-, O-[(methylamino)carbonyl]oxime 1.4 5
65 43.03 2715 424 C28H56O2 Tricosanoic acid 19.5 5
66 43.05 2600 320 C16H17ClN2O3 4 (4-Chlorophenyl)-3 morpholinopyrrol-2-carboxylic acid 0.1 5
67 43.07 1034 172 C10H20O2 2-t-Butylpentanoic acid 1.3 5
68 44.34 2241 294 C19H34O2 E, E, Z-1, 3, 12-Nonadecatriene-5, 14-diol 0.7 2

RT Retention time, RI Retention indices