Table 2 Various evaluation parameters of an optimized microemulsion system
Observations | Results |
|---|---|
Average particle (globule) size | 208 nm |
Polydispersibility index (PDI) | 0.342 |
Zeta potential | − 17.5 mV |
Transmittance | 90.68% |
Refractive index | 1.002 ± 0.03 |
pH | 7.01 ± 0.07 |
Viscosity | 82.45 ± 0.07 cps |
Drug content (%) | |
(a) Lycopene | 87.53% |
(b) β-carotene | 85.08% |
(c) Curcumin | 90.65% |
SPF | 36.32 |
Conductance | 0.935 moh/cm |