Table 2.
Numbers of C. maltaromaticum strains associated with the production of specific VOCs in meat samples after 7 days of storage at 4°C in air and vacuum packs
| Compound | No. of strainsa in: |
|
|---|---|---|
| Air | Vacuum pack | |
| Sulfur compounds | ||
| Thiopheneb | 12 | 7 |
| Dimethyl sulfideb | 5 | 1 |
| 4-Methylthiophenolb | 12 | 19 |
| 2-Ethylthiopheneb | 3 | 3 |
| Dimethyl sulfoneb | 3 | 18 |
| Ketones | ||
| Acetoinc | 37 | 38 |
| 2-Heptanonec | 36 | 1 |
| 6-Methyl-2-heptanoneb | 2 | 0 |
| 3-Octanonec | 38 | 0 |
| Aldehydes | ||
| Hexanalc | 22 | 0 |
| Heptanalc | 1 | 0 |
| 2-Heptenalc | 6 | 0 |
| Benzaldehydec | 4 | 2 |
| 2-Octenalc | 15 | 4 |
| Nonanalc | 19 | 2 |
| 3,5-Dimethylbenzaldehydeb | 13 | 3 |
| Decanalc | 8 | 3 |
| Tetradecanalc | 14 | 2 |
| Alcohols | ||
| 3-Methyl-1-butanolc | 32 | 0 |
| 1-Hexanolc | 21 | 0 |
| 2-Butoxyethanolc | 12 | 0 |
| Heptanolc | 26 | 0 |
| 1-Octen-3-olc | 42 | 25 |
| 2-Ethyl-1-hexanolc | 31 | 19 |
| 1-Octanolc | 16 | 1 |
| 2-Octen-1-olc | 29 | 4 |
| Phenylethyl alcoholc | 8 | 4 |
| 3-Phenoxy-1-propanolb | 8 | 5 |
| Tridecanolb | 8 | 5 |
| Carboxylic acids | ||
| Butanoic acidc | 41 | 32 |
| Hexanoic acidc | 30 | 7 |
| Nonanoic acidc | 1 | 25 |
| Furan compound (2-pentylfuran)b | 31 | 2 |
a
Data are relative to the quantitative determination of the different compounds, including those occurring in traces.
b
Identified by comparison of the mass spectrum with the NIST library.
c
Identified by comparison with the mass spectrum and retention time of a known standard.