Table 1.
pH, titrable acidity (TA), total solids content (TSC), ash content (AC), protein content (PC), and total free amino acids level (TFAAL) of the samples.
| Time of Storage (Days) | ||||||
|---|---|---|---|---|---|---|
| Sample | 0 | 1 | 7 | 14 | 21 | 28 |
| pH | ||||||
| PC | 6.50 ± 0.01 Aa | 6.18 ± 0.02 Ba | 6.31 ± 0.01 Ca | 6.73 ± 0.02 Da | 6.78 ± 0.00 Ea | 7.35 ± 0.01 Fa |
| PC + GC | 6.45 ± 0.01 Ab | 6.01 ± 0.01 Bb | 6.25 ± 0.05 Cb | 6.82 ± 0.01 Db | 7.04 ± 0.01 Eb | 7.92 ± 0.01 Fb |
| TA (g lactic acid/100 g) | ||||||
| PC | 0.12 ± 0.02 Aa | 0.72 ± 0.01 Ba | 0.68 ± 0.00 Ca | 0.67 ± 0.04 Ba | 0.52 ± 0.07 Da | 0.38 ± 0.00 Ea |
| PC + GC | 0.10 ± 0.01 Aa | 0.80 ± 0.01 Bb | 0.72 ± 0.01 Ca | 0.60 ± 0.01 Db | 0.42 ± 0.05 Eb | 0.22 ± 0.08 Fb |
| TSC (%) | ||||||
| PC | 25.64 ± 0.40 Ab | 25.89 ± 2.06 Aa | 27.83 ± 0.33 Ba | 27.86 ± 1.29 Ba | 26.72 ± 0.37 ABa | 23.72 ± 0.39 Ca |
| PC + GC | 24.40 ±1.03 ABCc | 26.86 ± 1.54 Ba | 27.86 ± 1.15 Ba | 25.15 ± 0.35 ABb | 25.25 ± 0.56 ABb | 23.36 ± 0.48 Ca |
| AC (%) | ||||||
| PC | 1.63 ± 0.01 Ab | 1.88 ± 0.02 Ba | 2.05 ± 0.03 Ba | 2.34 ± 0.03 Ca | 2.00 ± 0.06 Ba | 2.10 ± 0.06 BCa |
| PC + GC | 1.54 ± 0.04 Ab | 2.30 ± 0.03 Bb | 1.99 ± 0.04 Ca | 2.23 ± 0.35 BCb | 2.19 ± 0.01 BCa | 2.05 ± 0.07 Ca |
| PC (g/100 g) | ||||||
| PC | 4.50 ± 0.01 Ab | 5.11 ± 0.01 Ba | 4.65 ± 0.03 Ca | 5.84 ± 0.01 Da | 6.10 ± 0.04 Ea | 4.60 ± 0.00 Fa |
| PC + GC | 4.66 ± 0.00 Ac | 4.35 ± 0.00 Bb | 5.17 ± 0.03 Cb | 5.12 ± 0.00 Db | 4.73 ± 0.01 Eb | 4.48 ± 0.00 Fb |
| TFAAL (mg Gly/g) | ||||||
| PC | 6.84 ± 0.00 Aa | 7.44 ± 0.00 Ba | 8.25 ± 0.00 Ca | 8.28 ± 0.00 Da | 8.40 ± 0.05 Ea | 9.36 ± 0.01 Fa |
| PC + GC | 7.02 ± 0.00 Ab | 7.49 ± 0.00 Bb | 8.39 ± 0.01 Cb | 8.42 ± 0.01 Db | 8.57 ± 0.02 Eb | 9.40 ± 0.01 Fb |
Values are means ± standard deviation of triplicate determinations. Means with different lowercase in the same column are significantly different at p < 0.05. Means with different uppercase in the same raw are significantly different at p < 0.05.