Table 1.
Volatiles from Celeribacter spp.
| Compounda | Ib | I(lit.)b | Id.c | Occurrenced | |||||
| 3-hydroxypentan-2-one (4) | 812 | 815 [39] | ri, ms | C | |||||
| hexanal (7) | 813 | 806 [39] | ri, ms | B | |||||
| 2-hydroxypentan-3-one (5) | 818 | 818 [40] | ri, ms | C | |||||
| methylpyrazine (1) | 831 | 826 [41] | ri, ms | A | B | C | D | E | F |
| furfural (24) | 841 | 841 [42] | ri, ms | B | C | ||||
| furan-2-ylmethanol (23) | 861 | 863 [43] | ri, ms | A | B | C | D | E | F |
| cyclohexanol (26) | 888 | 886 [44] | ri, ms | A | |||||
| 2-hydroxyhexan-3-one (6) | 899 | 900 [40] | ri, ms | A | F | ||||
| heptanal (8) | 906 | 901 [45] | ri, ms | C | |||||
| 2,5-dimethylpyrazine (2) | 912 | 908 [45] | ri, ms | A | B | C | D | E | F |
| 2-acetylfuran (25) | 913 | 909 [45] | ri, ms | C | D | ||||
| pentan-4-olide (14) | 953 | 956 [46] | ri, ms | A | D | F | |||
| 3-methylbutan-4-olide (21) | 957 | 958 [47] | ri, ms | A | F | ||||
| 6-methylheptan-2-one (35) | 959 | 962 [48] | ri, ms | D | |||||
| benzaldehyde (28) | 961 | 952 [45] | ri, ms | A | B | C | D | E | |
| dimethyl trisulfide (37) | 970 | 968 [49] | ri, ms | A | B | C | D | E | F |
| 6-methylhept-5-en-2-one (34) | 988 | 981 [45] | ri, ms | A | B | C | D | E | F |
| trimethylpyrazine (3) | 1000 | 1000 [45] | ri, ms | A | B | C | D | E | F |
| 2-acetylthiazole (39) | 1017 | 1014 [45] | ri, ms | A | B | C | D | ||
| benzyl alcohol (27) | 1033 | 1026 [45] | ri, ms | C | |||||
| 4-methylhex-5-en-4-olide (22) | 1039 | 1034 [45] | ri, ms | B | C | ||||
| salicylaldehyde (29) | 1042 | 1039 [45] | ri, ms | B | D | ||||
| hexan-4-olide (15) | 1052 | 1056 [50] | ri, ms | A | |||||
| S-methyl methanethiosulfonate (38) | 1061 | 1068 [51] | ri, ms | A | B | C | D | F | |
| acetophenone (30) | 1065 | 1059 [45] | ri, ms | A | B | C | |||
| nonanal (9) | 1103 | 1100 [45] | ri, ms | A | B | C | F | ||
| 2-phenylethanol (32) | 1111 | 1106 [45] | ri, ms | B | C | ||||
| phenylacetone (33) | 1127 | 1124 [52] | ri, ms | A | |||||
| ethyl (E)-3-(methylsulfanyl)acrylate (42) | 1177 | 1144 [53] | ms | A | C | ||||
| decanal (10) | 1203 | 1201 [45] | ri, ms | A | B | C | F | ||
| benzothiazole (40) | 1221 | 1222 [54] | ri, ms | A | B | C | D | E | F |
| octan-4-olide (16) | 1252 | 1250 [45] | ri, ms | A | |||||
| o-aminoacetophenone (31) | 1292 | 1296 [55] | ri, ms | A | |||||
| undecanal (11) | 1298 | 1305 [45] | ri, ms | B | C | ||||
| nonan-4-olide (17) | 1354 | 1358 [45] | ri, ms | A | C | ||||
| dodecanal (12) | 1400 | 1408 [45] | ri, ms | A | B | C | |||
| geranylacetone (36) | 1445 | 1453 [45] | ri, ms | A | B | C | |||
| decan-4-olide (18) | 1461 | 1465 [45] | ri, ms | A | C | ||||
| undecan-4-olide (19) | 1568 | 1569 [45] | ri, ms | C | |||||
| tetradecanal (13) | 1605 | 1611 [45] | ri, ms | B | C | ||||
| dodecan-4-olide (20) | 1673 | 1676 [45] | ri, ms | A | C | ||||
| 2-(methyldisulfanyl)benzothiazole (41) | 1860 | std | A | B | D | ||||
aIdentified by GC–MS, known typical contaminants such as plasticizers are not included and all listed compounds were not detected in blank runs with medium plates (except traces of benzaldehyde); bretention index on a HP5-MS GC column and comparison to literature data from the same or a similar type of GC column; cidentification based on ri: matching retention index (difference between measured retention index and literature data ≤10 points), ms: mass spectrum matching to a database spectrum, std: direct comparison to an authentic standard; doccurrence in A: C. marinus DSM 100036T, B: C. neptunius DSM 26471T, C: C. manganoxidans DSM 27541T, D: C. baekdonensis DSM 27375T, E: C. halophilus DSM 26270T, and F: C. indicus DSM 27257T.