Sample time (day) | 1 | 10 | 23 | 34 | 48 | 59 | 70 |
---|---|---|---|---|---|---|---|
pH | 3.39 ± 0.01a | 3.40 ± 0.01a | 3.42 ± 0.03a | 3.35 ± 0.04ab | 3.25 ± 0.02bc | 3.21 ± 0.04c | 3.24 ± 0.01c |
Moisture (%) | 56.78 ± 0.00a | 56.02 ± 0.00a | 57.25 ± 0.00a | 57.67 ± 0.01a | 58.58 ± 0.01bc | 58.57 ± 0.00bc | 60.23 ± 0.02c |
Glucose (mg/g) | 7.27 ± 1.14a | 19.68 ± 6.60b | 28.43 ± 0.81c | 17.17 ± 2.57b | 6.73 ± 1.15a | 4.58 ± 0.36a | 5.62 ± 1.13a |
Lactic acid (mg/g) | 22.23 ± 0.76a | 20.59 ± 1.31a | 21.84 ± 1.27a | 27.15 ± 1.41b | 29.39 ± 1.12b | 34.75 ± 0.22c | 36.87 ± 1.13c |
Acetic acid (mg/g) | 1.27 ± 0.03a | 1.20 ± 0.08a | 1.36 ± 0.11a | 1.68 ± 0.15b | 2.16 ± 0.06c | 2.61 ± 0.05d | 2.73 ± 0.32d |
Propanic acid (mg/g) | 3.68 ± 0.06a | 3.41 ± 0.02b | 3.61 ± 0.12ab | 3.56 ± 0.11ab | 4.51 ± 0.22c | 4.45 ± 0.14c | 4.56 ± 0.09c |
Ethanol (mg/g) | 0.28 ± 0.16a | 0.54 ± 0.23a | 2.00 ± 0.68ab | 3.84 ± 1.38b | 5.80 ± 0.17bc | 7.65 ± 0.40c | 9.25 ± 2.63c |
Ethyl acetate (ug/g) | 56.9 ± 2.42a | 59.5 ± 3.74ab | 70.7 ± 4.10b | 79.7 ± 9.37b | 92.1 ± 1.66b | 127.8 ± 10.20c | 138.8 ± 14.24c |
Ethyl caproate (ug/g) | ND* | ND | ND | ND | ND | 93.3 ± 5.64a | 96.1 ± 5.80a |
Ethyl lactate (ug/g) | 441.6 ± 32.96a | 358.6 ± 18.37a | 400.9 ± 28.31a | 41.72 ± 69.04a | 481.8 ± 39.85a | 730.25 ± 25.42b | 876.82 ± 99.47c |