Table 3 GC-MS head-space analysis of VOCs produced by A.sarcoides culture collected with a SPME fiber
Retention | Possible Compounda | Â | Peak Area at given age in daysb | |||
|---|---|---|---|---|---|---|
Time (min) | (Molecular mass (Da)) | 2 | 5 | 9 | 15 | 17 |
1.34 | Unknown (56) | 17.8 | 13.0 | ND | ND | ND |
1.38 | Pentane (72)c | ND | 12.6 | 38.7 | 22.6 | 31.8 |
2.01 | Heptane, 4-methyl- (114)d | 12.9 | 12.6 | 11.1 | 15.6 | ND |
2.09 | Unknown (118) | 10.2 | 9.1 | 7.3 | 8.8 | 6.7 |
3.26 | Ethyl acetate (88)c | 10.1 | 19.5 | 52.9 | 51.8 | 44.8 |
3.89 | Ethanol (46)d | 79.3 | 121.8 | 157.3 | 223.5 | 188.2 |
6.07 | Unknown (114) | ND | 16.1 | 27.5 | 45.2 | ND |
6.40 | 1-Propanol, 2-methyl- (74)c,d | 10.1 | 20.1 | 17.7 | 74.9 | 52.8 |
7.70 | Unknown | 11.7 | 11.0 | 7.7 | 11.0 | 23.7 |
8.19 | 1-Butanol, 3-methyl- (impure) (88)c,d | 88.6 | 139.7 | 334.1 | 665.5 | 667.6 |
9.15 | Unknown (134) | 8.0 | 10.7 | 12.8 | ND | ND |
9.56 | Unknown (159 or 88) | ND | 11.7 | 18.7 | 35.8 | ND |
11.65 | 1-Octen-3-ol (128)c,d(isomer) | ND | 7.6 | 22.8 | 80.3 | 84.5 |
12.02 | Acetic acid, octyl ester (172)c | 15.6 | 7.8 | 3.4 | 2.6 | 4.4 |
12.95 | Benzaldehyde (106) | 5.2 | 302.8 | 211.3 | 679.7 | 453.5 |
13.33 | Acetic acid, nonyl ester (186)c | 33.9 | 32.8 | 7.5 | 5.5 | ND |
13.99 | Unknown (122) | 10.9 | 32.8 | 1.7 | ND | ND |
14.58 | Acetic acid, n-decyl ester (200)c,d | 19.3 | 9.1 | ND | ND | ND |
14.86 | C15H24, sesquiterpene (204)c | 19.3 | 8.1 | 5.4 | 4.1 | ND |
15.95 | Nonanal (142) | 15.1 | 12.1 | 12.3 | 17.6 | 46.7 |
16.99 | Benzyl alcohol (108)c,d | ND | 5.1 | 39.3 | 39.1 | 34.9 |
18.37 | Unknown (126) | 4.4 | 5.1 | 10.0 | 17.0 | 26.8 |
18.71 | Decanal (156) | ND | ND | ND | 24.7 | 60.8 |
23.27 | Butanoic acid, 3-methyl- (102)c | ND | ND | ND | 8.9 | 20.3 |
24.83 | Oxime-, methoxy-phenyl- (151) | ND | ND | ND | 39.8 | 35.7 |
26.30 | Acetic acid, 2-phenylethyl ester (164)c | ND | ND | ND | 24.5 | 24.0 |
28.33 | Phenylethyl alcohol (122)c,d | ND | ND | ND | 37.6 | 36.6 |