Table 2.
Amino acid contents of black garlic during the aging period.
| Amino Acid (mg/100g) | Aging Periods (Days) | |||||
|---|---|---|---|---|---|---|
| 0 | 7 | 14 | 21 | 28 | 35 | |
| Leusine | 58.62 ± 3.37 b | 73.44 ± 1.79 a | 62.81 ± 1.51 b | 62.12 ± 5.64 b | 61.23 ± 4.32 b | 59.19 ± 3.94 b |
| Isoleucine | 50.04 ± 13.47 b | 89.25 ± 18.93 a | 86.45 ± 8.23 a | 83.79 ± 2.37 a | 79.44 ± 1.14 a | 71.07 ± 2.25 a |
| Valline | 47.74 ± 0.19 a | 47.68 ± 0.64 a | 36.71 ± 4.64 b | 35.23 ± 5.61 b | 34.73 ± 8.61 b | 33.91 ± 6.61 b |
| Methionine | 31.56 ± 1.40 b | 82.51 ± 4.70 a | 80.73 ± 6.37 a | 78.11 ± 2.33 a | 73.59 ± 9.71 a | 71.11 ± 3.55 a |
| Cysteine | 81.06 ± 0.95 a | 69.43 ± 0.94 b | 49.20 ± 5.42 c | 46.90 ± 8.98 c | 43.44 ± 3.38 c | 42.14 ± 7.18 c |
| Phenylalanine | 55.64 ± 0.74 c | 82.38 ± 8.35 b | 70.20 ± 4.41 b | 135.16 ± 7.10 a | 136.25 ± 12.76 a | 143.07 ± 6.32 a |
| Tyrosine | 449.95 ± 6.29 a | 109.13 ± 26.09 b | 102.33 ± 0.38 b | 82.28 ± 7.41 b | 78.35 ± 4.34 b | 77.31 ± 7.54 b |
| Aspartic acid | 90.12 ± 2.55 b | 117.50 ± 9.07 a | 64.53 ± 5.84 c | 62.43 ± 4.34 c | 61.65 ± 9.12 c | 60.19 ± 8.16 c |
| Glutamic acid | 286.60 ± 8.09 a | 128.87 ± 9.09 b | 112.81 ± 3.02 b | 108.11 ± 9.12 b | 101.88 ± 7.71 b | 100.11 ± 6.09 b |
| Arginine | 409.05 ± 3.00 a | 340.20 ± 75.68 b | 119.30 ± 0.52 d | 208.71 ± 51.36 c | 71.92 ± 0.65 d,e | 40.34 ± 1.10 e |
| Lysine | 61.68 ± 5.29 a | 57.96 ± 4.93 a | 47.39 ± 2.24 b | 42.50 ± 2.27 b | 41.53 ± 3.67 b | 40.50 ± 9.22 b |
| Histidine | 89.12 ± 1.88 b | 191.69 ± 18.89 a | 58.76 ± 13.02 c | 58.75 ± 3.59 c | 57.62 ± 5.51 c | 57.89 ± 8.34 c |
| Threonine | 81.25 ± 13.59 a | 46.30 ± 0.87 b | 53.53 ± 8.36 b | 57.54 ± 2.22 b | 58.36 ± 11.17 b | 59.36 ± 5.22 b |
| Serine | 38.53 ± 0.82 a | 25.72 ± 0.87 b | 25.84 ± 0.33 b | 24.78 ± 1.12 b | 24.23 ± 4.22 b | 23.71 ± 5.41 b |
| Glycine | 21.50 ± 2.51 b | 37.41 ± 8.54 a | 9.60 ± 1.78 c | 8.63 ± 1.18 c | ND | ND |
| Alanine | 89.72 ± 11.44 b | 239.13 ± 17.84 a | 67.01 ± 2.39 c | 83.59 ± 5.71 b | 47.38 ± 1.74 d | 32.74 ± 5.37 d |
Values are mean ± SD; Values followed by different letters in the same row are significantly different by Duncan’s multiple range test (p < 0.05). ND, cannot be detected.