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Zeta potential and Particle Size of cowpea protein isolate powder of control (untreated) and ultrasound assisted extraction (200 W/10 min).
| CPIP sample | Zeta potential | Particle size |
|---|---|---|
| Control | –32.9 ± 0.08b mV | 763 ± 0.81a nm |
| Ultrasound treated | −44.2 ± 0.16a mV | 559 ± 0.40b nm |
Different superscripts within same column are statistically significantly different at p < 0.05.
