Table 4.
Effect of different types of coating and storage time on the population of total aerobic mesophilic bacteria (AMB), total aerobic psycrotrophic bacteria (APB), coliforms (Enterobacteriaceae), and yeasts and molds in chicken breast fillets stored at 4 °C.
| Treatments | Storage Days | |||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 5 | 7 | 9 | 12 | 15 | ||
| AMB (log CFU/g) | Ch_0%—YEO_0% | 4.04 e,A | 4.35 e,A | 4.58 e,A | 5.05 d,A | 6.13 c,A | 7.10 b,A | 8.52 a,A |
| (0.15) | (0.18) | (0.17) | (0.14) | (0.19) | (0.11) | (0.14) | ||
| Ch_2%—YEO_0% | 3.91 d,A | 4.17 d,B | 4.32 d,B | 4.41 d,C | 5.49 c,C | 6.54 b,C | 7.65 a,C | |
| (0.10) | (0.11) | (0.14) | (0.08) | (0.10) | (0.11) | (0.12) | ||
| Ch_0%—YEO_0.3% | 4.10 e,A | 3.95 e,B | 4.18 e,B | 4.72 d,B | 6.25 c,B | 7.26 b,B | 8.36 a,B | |
| (0.10) | (0.11) | (0.13) | (0.18) | (0.12) | (0.09) | (0.13) | ||
| Ch_2%—YEO_0.3% | 3.92 a,A | 4.20 a,B | 4.34 a,B | 4.47 a,C | 4.54 a,D | 4.60 a,D | 4.74 a,D | |
| (0.13) | (0.14) | (0.12) | (0.11) | (0.16) | (0.10) | (0.14) | ||
| APB (log CFU/g) | Ch_0%—YEO_0% | 4.11 d,A | 4.25 d,A | 4.39 d,A | 5.12 c,A | 6.20 b,A | 7.22 a,A | 8.45 a,A |
| (0.13) | (0.12) | (0.16) | (0.18) | (0.28) | (0.21) | (0.18) | ||
| Ch_2%—YEO_0% | 3.99 d,A | 3.90 d,B | 4.15 e,C | 4.70 d,C | 5.55 c,C | 6.34 b,C | 7.21 a,C | |
| (0.10) | (0.08) | (0.14) | (0.09) | (0.12) | (0.10) | (0.17) | ||
| Ch_0%—YEO_0.3% | 4.05 e,A | 3.90 e,A | 3.96 e,B | 4.36 d,B | 6.00 c,B | 7.21 b,B | 7.98 a,B | |
| (0.07) | (0.14) | (0.12) | (0.18) | (0.11) | (0.09) | (0.18) | ||
| Ch_2%—YEO_0.3% | 3.97 a,A | 3.98 a,B | 4.18 a,C | 4.32 a,D | 4.45 a,D | 4.58 a,D | 4.65 a,D | |
| (0.22) | (0.12) | (0.13) | (0.18) | (0.14) | (0.17) | (0.23) | ||
| Coliforms (Enterobacteriaceae) (log CFU/g) |
Ch_0%—YEO_0% | 3.89 e,A | 4.05 e,A | 4.29 d,A | 4.65 d,A | 6.21 c,A | 7.22 b,A | 7.95 a,A |
| (0.18) | (0.19) | (0.21) | (0.18) | (0.18) | (0.15) | (0.13) | ||
| Ch_2%—YEO_0% | 3.75 d,A | 3.89 d,B | 3.95 d,B | 4.26 d,B | 5.96 c,C | 7.12 b,C | 7.90 a,C | |
| (0.10) | (0.14) | (0.19) | (0.15) | (0.11) | (0.12) | (0.15) | ||
| Ch_0%—YEO_0.3% | 3.26 e,A | 3.35 e,B | 3.25 e,C | 3.76 d,A | 5.75 c,B | 7.43 b,B | 8.50 a,B | |
| (0.17) | (0.13) | (0.11) | (0.17) | (0.10) | (0.10) | (0.16) | ||
| Ch_2%—YEO_0.3% | 3.59 a,A | 3.68 a,B | 3.75 a,C | 3.82 a,C | 3.98 a,D | 4.15 a,D | 4.25 a,D | |
| (0.10) | (0.14) | (0.10) | (0.20) | (0.14) | (0.16) | (0.15) | ||
| Yeast and molds (log CFU/g) | Ch_0%—YEO_0% | 3.10 d,A | 3.24 d,A | 3.42 c,A | 3.65 c,A | 6.47 b,A | 7.12 b,A | 8.20 a,A |
| (0.09) | (0.10) | (0.11) | (0.21) | (0.13) | (0.20) | (0.11) | ||
| Ch_2%—YEO_0% | 2.94 e,A | 3.09 e,B | 3.29 e,B | 3.45 d,B | 5.94 c,B | 6.51 b,B | 7.11 a,B | |
| (0.07) | (0.08) | (0.11) | (0.05) | (0.09) | (0.15) | (0.18) | ||
| Ch_0%—YEO_0.3% | 3.00 e,A | 3.18 e,B | 3.25 e,B | 4.11 d,A | 6.50 c,A | 6.95 b,A | 7.70 a,A | |
| (0.07) | (0.10) | (0.11) | (0.12) | (0.09) | (0.07) | (0.16) | ||
| Ch_2%—YEO_0.3% | 3.00 a,A | 3.12 a,C | 3.20 a,C | 3.26 a,C | 3.35 a,C | 3.40 a,C | 3.66 a,C | |
| (0.15) | (0.14) | (0.19) | (0.14) | (0.19) | (0.13) | (0.14) | ||
Data are presented in mean (n = 3). SD values are given in parentheses below the means. Different lower-case and upper-case letters indicate significant (p < 0.05) differences between the means in the same rows and columns, respectively.