Table 4. Effect of MAP varying in gas composition on instrumental color characteristics of dry fermented sausages during storage.
Parameter | Days | Treatments1) | SEM2) | ||||
---|---|---|---|---|---|---|---|
Control | MAP1 | MAP2 | MAP3 | MAP4 | |||
L* (lightness) | 1 | 51.91aA | 47.29bA | 46.40bA | 46.28bA | 44.58bA | 2.01 |
15 | 45.64aC | 44.92bB | 44.73bA | 43.18abA | 41.18bB | 2.22 | |
30 | 41.15C | 40.79B | 40.96B | 40.42B | 40.03B | 2.21 | |
45 | 40.64B | 40.74B | 39.76B | 39.14C | 39.08C | 2.41 | |
SEM | 2.25 | 2.25 | 2.45 | 2.28 | 1.82 | ||
a* (redness) | 1 | 8.90bA | 9.63abA | 9.69abA | 10.01aA | 10.23aA | 1.09 |
15 | 8.82A | 9.28A | 9.33A | 9.52B | 9.98B | 1.19 | |
30 | 7.96cB | 8.10bB | 8.35bB | 8.87bC | 9.65aC | 0.79 | |
45 | 6.56cC | 7.23bC | 7.30bC | 7.99bD | 8.87aD | 0.67 | |
SEM | 0.61 | 0.99 | 0.96 | 0.94 | 1.19 | ||
b* (yellowness) | 1 | 10.74aA | 9.89bA | 9.65bA | 9.32bA | 9.15bA | 0.96 |
5 | 10.15aA | 9.80abA | 9.51bA | 8.40bB | 8.11bB | 1.48 | |
30 | 9.88aA | 8.56abB | 8.32abB | 7.96bC | 7.82bC | 1.84 | |
45 | 8.17B | 8.09B | 8.00B | 7.50C | 7.43C | 1.04 | |
SEM | 1.77 | 1.05 | 1.69 | 1.29 | 0.83 |
Treatments are control (vacuum packaging); MAP1, 25% CO2/75% N2; MAP2, 50% CO2/50% N2; MAP3, 70% CO2/30% N2; MAP4, 100% CO2.
n=3.
Means with different letters within a column are significantly different (p<0.05).
Means with different letters within a row are significantly different (p<0.05).
MAP, modified atmosphere packaging.