Table 1.
The solubility, surface hydrophobicity, free and total sulfhydryl groups, and in vitro digestibility of different CPI samples (with or without ultrasonic treatment).
| Ultrasonic Treatment | Solubility/% | BPB Bound (μg) |
Total-SH (μmol/g) |
Free-SH (μmol/g) |
In Vitro Digestibility (%) |
|---|---|---|---|---|---|
| Control | 89.40 ± 2.69 cd | 12.96 ± 3.36 b | 59.95 ± 0.39 e | 9.52 ± 0.53 b | 89.28 ± 0.21 a |
| 10 min-200 W | 93.66 ± 2.85 abcd | 6.70 ± 1.71 de | 55.84 ± 0.98 f | 9.77 ± 0.72 ab | 87.23 ± 0.51 fg |
| 10 min-400 W | 96.46 ± 2.31 ab | 11.42 ± 1.02 bc | 50.93 ± 0.66 h | 9.87 ± 0.31 ab | 86.42 ± 0.73 gh |
| 10 min-600 W | 93.09 ± 2.01 bcd | 13.76 ± 1.28 a | 53.25 ± 0.29 g | 9.34 ± 0.38 b | 85.41 ± 0.57 h |
| 15 min-200 W | 92.85 ± 0.33 bcd | 9.05 ± 2.51 cd | 79.76 ± 0.64 a | 6.60 ± 0.55 d | 88.83 ± 0.09 e |
| 15 min-400 W | 98.85 ± 2.47 a | 12.11 ± 0.24 b | 76.89 ± 0.79 b | 6.90 ± 0.11 d | 87.68 ± 0.21 f |
| 15 min-600 W | 88.93 ± 3.16 d | 7.95 ± 1.04 de | 69.59 ± 0.62 c | 6.87 ± 0.40 d | 92.15 ± 0.64 de |
| 30 min-200 W | 97.83 ± 5.19 ab | 5.70 ± 1.19 e | 62.31 ± 0.26 d | 10.52 ± 0.46 a | 90.21 ± 0.15 cd |
| 30 min-400 W | 94.73 ± 3.52 abc | 5.29 ± 0.93 e | 60.51 ± 0.61 i | 9.06 ± 0.46 b | 90.47 ± 0.01 bc |
| 30 min-600 W | 89.08 ± 0.97 cd | 13.94 ± 1.36 a | 59.12 ± 0.41 e | 8.21 ± 0.55 c | 91.36 ± 0.77 ab |
a–h different letters in the same column indicate statistically significant differences at p < 0.05.