Table 2. Mean Zeta-Potential of PS Emulsions Prepared with Different Oil Types and Concentrations of Emulsifiers at an Oil-to-Aqueous Phase Ratio of 10:90 (Mean ± SD)a.
| emulsifiers mixture (WPI/T80, % w/w) | LCT (mV) | MCT (mV) |
|---|---|---|
| 2.0/0 | –32.56 ± 0.57Aa | –29.92 ± 0.50Ab |
| 1.5/0.5 | –33.88 ± 0.60Ba | –32.19 ± 0.16Bb |
| 1/1 | –35.82 ± 0.63Ca | –33.99 ± 0.28Cb |
| 0.5/1.5 | –37.39 ± 0.68Da | –35.81 ± 0.33Db |
| 0/2.0 | –38.67 ± 0.95Ea | –36.78 ± 0.40Eb |
a
The different letters indicate the significant difference, P < 0.05. capital letters: The differences in the same column. Small letters: The differences between oily phase compositions at the same ratio of the emulsifier mixture.