Table 2.
pH values about bacteria counts for the non-inoculated and inoculated grape control media (GCM) and grape marmalade (GM) kept at room and refrigerated temperatures.
| pH Values in Grape Control Media (GCM) | ||||||
| Temp. (°C) | Time (days) | Control | L. plantarum | E. faecalis | L. paraplantarum | W. paramesenteroides |
| 25 °C | 0 | 4.10 ± 0.03 a | 4.12 ± 0.08 a | 4.03 ± 0.08 a | 3.97 ± 0.12 a | 4.13 ± 0.13 a |
| 15 | 3.82 ± 0.04 a | 3.77 ± 0.10 ab | 3.70 ± 0.07 ab | 3.73 ± 0.07 a | 3.69 ± 0.09 ab | |
| 30 | 3.79 ± 0.06 a | 3.75 ± 0.04 a | 3.72 ± 0.04 a | 3.71 ± 0.09 a | 3.69 ± 0.05 ab | |
| 60 | 3.70 ± 0.08 ab | 3.64 ± 0.06 b | 3.67 ± 0.13 ab | 3.64 ± 0.09 b | 3.72 ± 0.02 a | |
| 90 | 3.52 ± 0.09 ab | 3.47 ± 0.05 b | 3.52 ± 0.11 b | 3.49 ± 0.04 b | 3.45 ± 0.08 b | |
| 4 °C | 0 | 4.08 ± 0.10 a | 4.05 ± 0.08 a | 4.02 ± 0.11 a | 3.98 ± 0.09 ab | 4.07 ± 0.13 a |
| 15 | 3.81 ± 0.07 a | 3.79 ± 0.04 a | 3.75 ± 0.14 a | 3.81 ± 0.04 a | 3.85 ± 0.14 a | |
| 30 | 3.71 ± 0.06 ab | 3.68 ± 0.16 ab | 3.70 ± 0.06 ab | 3.73 ± 0.06 a | 3.74 ± 0.06 a | |
| 60 | 3.73 ± 0.08 ab | 3.69 ± 0.08 ab | 3.66 ± 0.08 ab | 3.70 ± 0.09 a | 3.70 ± 0.08 a | |
| 90 | 3.54 ± 0.09 b | 3.53 ± 0.07 ab | 3.54 ± 0.09 b | 3.50 ± 0.07 ab | 3.52 ± 0.09 b | |
| pH Values in Grape Marmalade (GM) | ||||||
| Temp. (°C) | Time (days) | Control | L. plantarum | E. faecalis | L. paraplantarum | W. paramesenteroides |
| 25 °C | 0 | 4.08 ± 0.12 a | 4.05 ± 0.10 a | 3.91 ± 0.14 a | 3.85 ± 0.10 a | 3.78 ± 0.17 a |
| 15 | 3.83 ± 0.07 ab | 3.76 ± 0.04 a | 3.77 ± 0.24 ab | 3.71 ± 0.17 a | 3.68 ± 0.16 ab | |
| 30 | 3.79 ± 0.16 a | 3.75 ± 0.16 a | 3.72 ± 0.16 ab | 3.70 ± 0.06 a | 3.69 ± 0.16 ab | |
| 60 | 3.75 ± 0.08 ab | 3.68 ± 0.18 ab | 3.67 ± 0.08 ab | 3.70 ± 0.14 a | 3.67 ± 0.18 ab | |
| 90 | 3.53 ± 0.12 ab | 3.49 ± 0.09 b | 3.51 ± 0.12 b | 3.49 ± 0.09 ab | 3.58 ± 0.09 b | |
| 4 °C | 0 | 4.07 ± 0.09 a | 4.02 ± 0.18 a | 3.97 ± 0.13 a | 3.95 ± 0.08 a | 3.90 ± 0.11 a |
| 15 | 3.85 ± 0.34 a | 3.80 ± 0.24 a | 3.77 ± 0.31 a | 3.81 ± 0.17 a | 3.81 ± 0.23 a | |
| 30 | 3.71 ± 0.25 a | 3.71 ± 0.16 ab | 3.69 ± 0.21 ab | 3.71 ± 0.18 a | 3.70 ± 0.21 a | |
| 60 | 3.68 ± 0.17 ab | 3.65 ± 0.17 a | 3.63 ± 0.14 ab | 3.69 ± 0.41 a | 3.69 ± 0.18 a | |
| 90 | 3.55 ± 0.29 b | 3.52 ± 0.15 b | 3.52 ± 0.18 ab | 3.51 ± 0.12 ab | 3.52 ± 0.13 ab | |
Formulation of values as the average ± SD in triplicate runs. Different letters in the same column indicate significant differences with a p-value greater than 0.05.