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Zeta potentials of the particles in the four samples measured shortly after their formation
| Extract source | Zeta potential (mV) |
|---|---|
| LC | −17.9±0.3 |
| SO | −20.9±1.0 |
| PeG | −23.9±2 |
| PuG | −12.0±0.4 |
Abbreviations: PeG, Pelargonium graveolens; LC, Lippia citriodora; SO, Salvia officinalis; PuG, Punica granatum.
