TABLE 2.
Differences of free amino acids in different soup batches
| Type | Taste characteristics | PUW content (μg/mL) | NXW content (μg/mL) | BJW content (μg/mL) |
|---|---|---|---|---|
| Asp | Sour/salty/umami | 0.33 ± 0.01c | 0.14 ± 0.00a | 0.08 ± 0.00b |
| Thr | Bitter | 8.05 ± 0.15a | 7.94 ± 0.15a | 4.47 ± 0.05b |
| Ser | Sweet/salty/umami | 0.97 ± 0.02c | 0.50 ± 0.01a | 0.83 ± 0.01b |
| Glu | Sour/salty/umami | 17.89 ± 0.34c | 10.99 ± 0.21a | 7.18 ± 0.07b |
| Gly | Sweet/ Salty/umami | 6.21 ± 0.12c | 7.54 ± 0.15a | 4.34 ± 0.05b |
| Ala | Sweet/ salty/umami | 718.62 ± 13.64c | 550.76 ± 10.45a | 465.70 ± 4.72b |
| Cys | Sweet/umami/salty | 0.12 ± 0.00c | 0.07 ± 0.00a | 0.05 ± 0.00b |
| Val | Bitter | 4.53 ± 0.09b | 2.65 ± 0.05a | 2.63 ± 0.03a |
| Met | Sweet/ salty/umami | 1.91 ± 0.04c | 0.93 ± 0.02a | 0.71 ± 0.01b |
| Ile | Bitter | 2.27 ± 0.04c | 1.28 ± 0.03a | 0.98 ± 0.01b |
| Leu | Bitter | 5.77 ± 0.11c | 3.23 ± 0.06a | 2.55 ± 0.03b |
| Tyr | Bitter | 2.22 ± 0.04c | 1.04 ± 0.02a | 0.91 ± 0.01b |
| Phe | Bitter | 3.95 ± 0.08b | 0.28 ± 0.01a | 0.24 ± 0.00a |
| Lys | Bitter/sweet | 1.58 ± 0.03c | 0.46 ± 0.01a | 0.32 ± 0.00b |
| His | Bitter/sweet | 1.95 ± 0.04c | 0.89 ± 0.02a | 0.36 ± 0.00b |
| Arg | Bitter/sweet | 8.78 ± 0.17c | 4.49 ± 0.09a ' | 2.75 ± 0.03b |
| Hypro | Sweet/bitter | 19.86 ± 0.38c | 14.25 ± 0.27a | 5.58 ± 0.06b |
| Pro | Sweet/bitter | 26.17 ± 0.50c | 21.24 ± 0.41a | 0.03 ± 0.00b |
| Total | 831.19 ± 15.78c | 628.65 ± 11.93b | 499.71 ± 5.07a |
For the letters a‐c, mean values (n = 3) with different letters within the same row are significantly different (p < .05).