| IC50 | extract solvent | |
| Camellia pollen | 0.05 mg/mL | ethanol |
| Thai mango seed kernel | 98.63 μg/mL | ethanol |
| Blumea balsamifera DC leave | 0.319 mg/mL 0.345 mg/mL | hexane |
| Euphorbia lathyris L | 0.28 mg/mL | methanol |
| Peel of Citrus Fruit | 2427.0 μg/mL | methanol |
| Far Eastern sea cucumber | 0.49 to 0.61 mg/mL 1.80 to 1.99 mg/mL | ethanol |
| Pupae of Muga silk worm | 15.05 μg/ml | methanol |
| Sericin extract of silkworm | 8 to 19 μg/ml | water |
| Kojic acid | 22.45 μg/ml | |
| Arbutin | 2.29 mg/mL |