Table 4.
Sensory scores of odor attributes (1 = low intensity, 9 = high intensity) after 13 days of storage (2 °C). For each column, entries with the same letter attached to them are not significantly different at the 0.05 level.
| Sour Odor 1 | Sea Odor 1 | Cloying | Fermented Sour | Yeast | Chemi-Cal | Sulfur | Ammonia | Pungent | White-Ness | Glossiness | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CO2 | 2.78 a | 2.44 ab | 3.71 b | 3.26 bcd | 1.49 abc | 1.72 b | 2.40 ab | 2.96 ab | 3.01 b | 5.59 ab | 4.85 a |
| CO2-T | 3.02 a | 2.75 a | 3.17 b | 2.32 cd | 1.22 c | 1.75 b | 2.74 ab | 2.22 b | 1.92 bc | 5.58 ab | 3.35 b |
| Vacuum | 2.09 ab | 2.17 abc | 3.64 b | 3.51 bc | 1.32 c | 1.96 b | 2.55 ab | 2.65 b | 2.04 bc | 5.39 b | 3.99 ab |
| Vacuum-T | 2.98 a | 2.77 a | 3.07 b | 2.66 bcd | 1.14 c | 1.99 b | 1.85 b | 1.79 b | 1.57 c | 6.10 a | 4.61 a |
| O2/CO2 | 1.55 b | 1.37 c | 5.71 a | 3.91 ab | 2.06 a | 3.10 a | 2.62 ab | 2.58 b | 3.06 b | 5.16 b | 4.15 ab |
| O2/CO2-T | 3.10 a | 2.63 a | 3.12 b | 2.22 d | 1.36 bc | 2.22 ab | 2.29 b | 1.89 b | 2.23 bc | 6.07 a | 4.15 ab |
| Industry | 1.68 b | 1.61 bc | 5.90 a | 4.84 a | 1.99 ab | 1.84 b | 3.43 a | 4.27 a | 4.54 a | 5.42 b | 4.42 a |
1 positive associated odor attributes; Green color means that scores are significant different to “Industry” (p = 0.05), and orange color means score different to both “Industry” and the other packaging methods.