Table 4 Volatile organic compounds of extract No. 4
Peak No | RT (min.) | Area sum (%) | Chemical formula | Name | m/z | M+ |
|---|---|---|---|---|---|---|
1 | 7.11 | 19.13 | C4H8O2 | Propanoic acid, 2-methyl-b | 43.1 | 88.1 |
2 | 7.29 | 5.32 | C4H8O2 | Butanoic acidb | 41.1 | 108.0 |
3 | 11.49 | 21.62 | C5H10O2 | Iso-valeric acid | 60.0 | 87.0 |
4 | 11.63 | 37.64 | C5H10O2 | Butanoic acid, 2-methyl- | 74.0 | 87.0 |
5 | 14.44 | 0.72 | C4H8O2S | Propanoic acid, 3-(methylthio)- | 32.0 | 120.0 |
6 | 18.19 | 11.00 | C8H8O2 | Benzene acetic acida | 91.1 | 136.0 |
7 | 18.44 | 0.46 | C8H10 | Spiro[bicyclo[3.1.0]hexane-2,1'-cyclopropan]-3-ene | 91.0 | 136.0 |
8 | 19.81 | 0.62 | C7H7NO2 | Beta-Methyl iso-nicotinic acid | 91.0 | 137.0 |
9 | 24.40 | 1.31 | C10H16N2O2 | Cyclo (L-prolyl-L-valine) | 154.1 | 185.1 |
10 | 25.18 | 1.07 | C11H18N2O2 | Pyrrolo [1,2-a] pyrazine-1,4-dione, hexahydro-3-(2-methyl propyl)- | 154.1 | 195.0 |
11 | 26.08 | 0.54 | C16H32O2 | Hexadecanoic acid | 41.1 | 256.2 |
12 | 29.00 | 0.56 | C14H16N2O2 | 3-Benzyl-1,4-diaza-2,5-dioxobicyclo[4.3.0]nonane | 125.1 | 244.1 |
