Table 1.
TPC | TPsC | TEC | MPN | TMC | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Count (Log cfu/g) | Reduction (%) | Count (Log cfu/g) | Reduction (%) | Count (Log cfu/g) | Reduction (%) | Count (Log MPN/g) | Reduction (%) | Count (Log cfu/g) | Reduction (%) | |
Control | 4.25 ± 0.14a | 0 | 2.44 ± 0.15a | 0 | 2.72 ± 0.21a | 0 | 2.51 ± 0.13a | 0 | 2.66 ± 0.13a | 0 |
Nisin 0.5% | 3.11 ± 0.18b | 26.82 | 2.00 ± 0.11ab | 18.03 | 2.24 ± 0.14b | 17.65 | 2.21 ± 0.15ab | 11.95 | 2.11 ± 0.24b | 20.68 |
Nisin 1.5% | 2.54 ± 0.12c | 40.24 | 1.65 ± 0.24bc | 32.38 | 1.66 ± 0.18cd | 38.97 | 1.77 ± 0.16bc | 29.48 | 1.77 ± 0.11bb | 33.46 |
Nisin 2.5% | 1.77 ± 0.11de | 58.35 | 1.24 ± 0.14cd | 49.18 | 1.10 ± 0.11de | 59.56 | 1.24 ± 0.14cde | 50.59 | 1.25 ± 0.16cd | 53.01 |
Gingerol 0.5% | 3.00 ± 0.15b | 29.41 | 1.80 ± 0.21b | 26.23 | 2.08 ± 0.09bc | 23.53 | 2.00 ± 0.18b | 20.32 | 2.00 ± 0.15b | 24.81 |
Gingerol 1.5% | 2.22 ± 0.15cd | 47.76 | 1.45 ± 0.14bc | 40.57 | 1.44 ± 0.11d | 47.06 | 1.55 ± 0.17cd | 38.25 | 1.88 ± 0.12bc | 29.32 |
Gingerol 2.5% | 1.55 ± 0.17e | 63.53 | 1.22 ± 0.12cd | 50 | 1.00 ± 0.12e | 63.24 | 1.11 ± 0.12de | 55.78 | 1.14 ± 0.11d | 57.14 |
Nisin + Gingerol 0.5% | 2.88 ± 0.16bc | 32.24 | 1.62 ± 0.10b | 33.61 | 2.00 ± 0.14bc | 26.47 | 1.88 ± 0.11b | 25.09 | 2.00 ± 0.14b | 24.81 |
Nisin + Gingerol 1.5% | 2.00 ± 0.10d | 52.94 | 1.25 ± 0.14cd | 48.77 | 1.22 ± 0.12de | 55.15 | 1.34 ± 0.16cd | 46.61 | 1.55 ± 0.10c | 41.73 |
Nisin + Gingerol 2.5% | 1.50 ± 0.08e | 64.71 | 1.00 ± 0.10d | 59.02 | 1.00 ± 0.10e | 63.24 | 1.00 ± 0.12e | 60.16 | 1.00 ± 0.12d | 62.41 |
Means in the same column carrying different superscript letters are significantly different at p < .05, n = 5. Reduction % = Control−After treatment/Control × 100.
Abbreviations: MPN, most probable number of coliforms; TEC, total enterobacteriaceae count; TMC, total mold count; TPC, total plate count; TPsC, psychrophilic.