Table 5.
Predicted M values for the principal volatile organic compoundsa detected under different storage conditions
| Storage condition | Predicted M value (ppm) for: |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Phenylethyl alcohol | Acetoin | 2,3-Butanediol | 2-Methyl butanoic acid | 1-Octen-3-ol | Butanoic acid | Hexanoic acid | Ethyl hexanoate | Ethyl octanoate | Dimethyl sulfide | 2-Ethyl-1-hexanol | |
| Air (A) | 5.65 | 215.00 | 5.02 | 120.00 | 1.30 | 2.50 | 32.00 | 35.0 | 40.00 | 2.96 | 0.50 |
| MAP | 1.52 | 100.00 | 4.02 | NDb | 30.00 | 14.00 | 20.00 | ND | 35.00 | 10.0 | ND |
| Vacuum packaging (V) | 0.03 | 6.00 | 1.40 | ND | 0.02 | 85.00 | 9.08 | ND | ND | 3.00 | 0.06 |
| Active vacuum packaging (AV) | ND | 9.03 | 0.18 | ND | 0.01 | 120.00 | 12.00 | ND | 0.10 | 1.80 | 0.02 |
a
The compounds were identified by comparison with the mass spectra and retention times of a known standard (Sigma-Aldrich, St. Louis, MO).
b
ND, under the detection limit.