Physicochemical properties | Strains | Fermentation period (days) | ||||
---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | ||
pH | NFGE | 5.85±0.01d | 5.86±0.00e | 5.77±0.06e | 5.83±0.04c | 5.93±0.13d |
A | 5.50±0.00c | 3.82±0.01a | 3.67±0.02a | 3.64±0.02a | 3.63±0.03a | |
B | 5.33±0.15abc | 3.85±0.02ab | 3.67±0.01a | 3.61±0.00a | 3.59±0.01a | |
C | 5.23±0.12ab | 3.88±0.02b | 3.71±0.01a | 3.66±0.01a | 3.62±0.01a | |
D | 5.30±0.00a | 5.11±0.04d | 4.74±0.01b | 4.31±0.10b | 4.21±0.03c | |
E | 5.17±0.06bc | 4.84±0.02c | 4.83±0.03c | 4.50±0.35b | 3.98±0.05b | |
F | 5.40±0.0bc | 5.06±0.06d | 4.96±0.09d | 4.22±0.30b | 4.07±0.29c | |
G | 5.17±0.21a | 4.84±0.07c | 4.86±0.08c | 4.41±0.18b | 3.98±0.02b | |
H | 5.37±0.06bc | 3.85±0.01ab | 3.72±0.02a | 3.65±0.02a | 3.65±0.02a | |
Total acidity (%) | NFGE | 0.02±0.00a | 0.02±0.00a | 0.01±0.00a | 0.02±0.00a | 0.02±0.00a |
A | 0.01±0.00a | 0.09±0.00c | 0.11±0.00d | 0.12±0.00e | 0.12±0.00d | |
B | 0.02±0.00a | 0.09±0.00c | 0.11±0.00de | 0.13±0.00e | 0.13±0.00d | |
C | 0.02±0.00a | 0.09±0.01c | 0.11±0.01de | 0.12±0.00e | 0.13±0.00d | |
D | 0.02±0.00a | 0.03±0.01b | 0.05±0.00c | 0.07±0.00c | 0.07±0.00b | |
E | 0.02±0.00a | 0.03±0.01b | 0.04±0.00b | 0.06±0.01bc | 0.07±0.01b | |
F | 0.02±0.00a | 0.03±0.01b | 0.04±0.00b | 0.09±0.01d | 0.09±0.01c | |
G | 0.02±0.00a | 0.04±0.00b | 0.04±0.00b | 0.05±0.01b | 0.09±0.00c | |
H | 0.02±0.00a | 0.09±0.00c | 0.12±0.00e | 0.12±0.00e | 0.12±0.00d | |
Viable cell counts (log CFU/mL) | NFGE | ND | ND | ND | ND | ND |
A | 7.07±0.06c | 8.33±0.04cd | 10.28±0.04d | 9.20±0.08c | ND | |
B | 7.04±0.12c | 8.39±0.16d | 9.18±0.16c | 5.41±0.02a | ND | |
C | 6.14±0.19a | 8.09±0.12b | 9.21±0.12c | 5.30±0.18a | ND | |
D | 6.72±0.08b | 6.83±0.07a | 9.10±0.07c | 8.90±0.03b | ND | |
E | 7.13±0.06c | 8.13±0.15bc | 8.72±0.15b | 9.53±0.01d | ND | |
F | 7.11±0.02c | 8.37±0.06cd | 9.07±0.10c | 9.86±0.03e | ND | |
G | 6.86±0.03b | 8.36±0.01d | 7.05±0.00a | 9.27±0.01c | ND | |
H | 7.36±0.00d | 8.32±0.01cd | 8.44±0.00b | 9.14±0.04c | ND |