Table 2.
Changes in total amino acids of shrimp paste treated with tea polyphenols + 6-gingerol stored at 25°C for 160 days.
| Amino acids | Control | TP | GR | TPGR | ||||
|---|---|---|---|---|---|---|---|---|
| 0 day | 160 days | 0 day | 160 days | 0 day | 160 days | 0 day | 160 days | |
| Asp | 477.72±13.39a | 379.56±4.59c | 483.14±6.76a | 447.65±5.07b | 482.91±10.47a | 468.34±5.73a | 479.30±4.72a | 466.31±4.76a |
| Thr | 214.94±2.00a | 174.96±4.10c | 213.94±3.11a | 191.89±2.23b | 213.74±5.18a | 193.84±1.45b | 213.99±4.40a | 204.00±4.63a |
| Ser | 159.95±5.36a | 135.59±2.60b | 160.38±3.58a | 146.92±3.30a | 161.67±4.97a | 147.64±1.96a | 163.49±4.52a | 151.05±3.19a |
| Glu | 381.98±7.70a | 300.59±11.88b | 380.85±4.51a | 354.68±12.15a | 384.29±7.51a | 359.62±3.91a | 384.31±2.57a | 365.95±5.59a |
| Gly | 427.45±8.47a | 319.84±7.05c | 421.83±4.03a | 389.25±7.39b | 420.55±7.39a | 389.92±4.06b | 422.48±5.80a | 408.72±5.85a |
| Ala | 249.49±7.90a | 166.67±6.05c | 244.11±5.50a | 209.81±6.78b | 248.16±5.26a | 219.70±4.12b | 246.18±4.33a | 234.60±6.29a |
| Cys | 35.51±2.87a | 22.29±1.39c | 37.72±5.78a | 29.87±1.67b | 35.83±1.64a | 31.69±0.81ab | 36.54±3.01a | 33.40±1.42a |
| Val | 421.81±3.05a | 295.26±9.39c | 418.80±7.30a | 383.07±6.96b | 419.80±4.74a | 385.32±9.27b | 416.80±1.75a | 401.95±5.03a |
| Met | 94.68±3.49a | 61.92±3.06b | 93.80±2.19a | 82.53±4.10a | 93.02±4.89a | 78.98±4.12a | 94.09±1.49a | 85.34±2.51a |
| Ile | 236.44±5.71a | 178.67±4.71c | 237.58±2.64a | 209.28±7.46b | 237.95±5.54a | 208.84±4.58b | 237.21±2.21a | 223.58±4.71a |
| Leu | 375.52±4.80a | 308.59±3.66c | 376.72±5.33a | 339.62±5.35b | 375.54±0.82a | 347.09±4.34b | 379.17±4.84a | 365.33±8.40a |
| Tyr | 113.89±8.21a | 74.90±2.27b | 110.53±4.56a | 97.31±3.93a | 111.82±7.62a | 96.43±4.68a | 113.74±7.80a | 101.62±3.80a |
| Phe | 338.42±5.04a | 253.95±3.86d | 334.46±3.26a | 286.57±2.56c | 337.98±9.06a | 295.39±3.40b | 337.51±2.84a | 304.87±3.44a |
| Lys | 610.46±5.35a | 514.01±5.32c | 613.77±5.49a | 574.66±0.80b | 612.25±6.42a | 575.77±6.06b | 615.54±3.54a | 586.91±5.54a |
| His | 80.11±4.79a | 58.59±5.31b | 79.73±4.12a | 77.15±1.62a | 86.26±3.55a | 74.47±5.00a | 81.79±3.45a | 76.87±4.23a |
| Arg | 312.37±3.50a | 236.58±5.80d | 312.20±6.63a | 277.89±4.26c | 312.51±6.15a | 290.40±4.15b | 314.52±2.55a | 302.24±6.59a |
| Pro | 288.86±4.41a | 208.77±6.57b | 286.74±6.27a | 256.03±2.65a | 283.34±1.65a | 259.74±5.23a | 286.57±2.50a | 264.64±3.44a |
| Total | 4819.60 | 3690.74 | 4806.31 | 4354.17 | 4817.62 | 4423.19 | 4823.22 | 4577.39 |
TP, tea polyphenols; GR, 6-gingerol; TPGR, tea polyphenols + 6-gingerol; C*ab, chroma value; H0ab, hue value. Values are the mean of three replications ± standard deviation. Means between the treatments with different small letters are significantly different (p < 0.05).