Table 1. Minimum inhibitory concentrations of fractionated A. iwayomogi extracts against acne-causing bacteria
| Bacteria | Extract | Minimum inhibitory concentration (mg/mL) |
| n-Hexane | Chloroform | Ethyl acetate | n-Butanol |
| Cutibacterium | Ethanol | 20 | 15 | 20 | >20 |
| acnes | Methanol | 20 | 10 | 15 | >20 |
| Staphylococcus | Ethanol | 20 | 15 | 20 | >20 |
| aureus | Methanol | 20 | 10 | 20 | >20 |