Table 3.
In vitro chalcone retention (µg·g−1) from different nanoemulsions in porcine ear skin after 8 hours (mean ± SD, n=6)
| Samples | Receptor fluid | Stratum corneum | Epidermis | Dermis |
|---|---|---|---|---|
| Control | ND | <LLOQ | <LLOQ | <LLOQ |
| LP20 | ND | <LLOQ | 28.19±6.75a | 3.03±1.18a |
| LP80 | ND | <LLOQ | 20.79±2.48a | 1.77±0.34a |
| SP20 | ND | <LLOQ | 13.83±1.35b | 0.56±0.13b |
| SP80 | ND | <LLOQ | 29.76±7.33a | 1.17±0.23a |
Notes: Different letters indicate significant statistical differences (ANOVA, Tukey test, P<0.05). <LLOQ: below LLOQ.
Abbreviations: ANOVA, analysis of variance; LLOQ, lower limit of quantification; LP20, soybean lecithin and polysorbate 20; LP80, soybean lecithin and polysorbate 80; ND, not detected; SD, standard deviation; SP20, sorbitan monooleate and polysorbate 20; SP80, sorbitan monooleate and polysorbate 80.