. 2017 Jul 19;2017:8310979. doi: 10.1155/2017/8310979

Table 4.

Tyrosinase inhibitory activity of PR in 20% PG solution, ethosome, and pig skin following topical application in 20% PG solution, ethosomes, and liposomes.

Formulations	Tyrosinase inhibition (%)
PG solution	95.54 ± 0.13
Ethosome	95.04 ± 0.49
PR from PG solution in pig skin	82.12 ± 0.58
PR from ethosome in pig skin	78.74 ± 0.90
PR from liposome in pig skin	79.53 ± 0.45
Kojic acid^a	87.35 ± 0.76
Artocarpus lakoocha water extract^a	96.04 ± 0.55

PR concentration in test samples: 20 µg/ml. Each value represents the mean ± SD (n = 3). ^aPositive control.