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Xanthine oxidase inhibitory activity of the compounds isolated from active fractions.
| Compound | IC50 (μM) | Ki (μM) | Mode of Inhibition |
|---|---|---|---|
| Caffeic acid | 121.22 | 9.22 | Competitive |
| Vinyl caffeate | 31.26 | 5.05 | Competitive |
| Rosmarinic acid | 91.72 | 26.22 | Competitive |
| Methyl rosmarinate | 26.59 | 2.85 | Competitive |
| Apigenin | 0.44 | 0.11 | Mixed |
| Allopurinol | 2.07 | 2.42 | Competitive |
