Research Article
In Vitro Antibacterial, DPPH Radical Scavenging Activities, and In Silico Molecular Modeling of Isolated Compounds from the Roots of Clematis hirsuta
Table 6
DPPH radical scavenging activity of the extracts and isolated compounds.
| Sample | % inhibition of DPPH radical | IC50 value (μg/mL) | 1000 | 500 | 250 | 125 | 62.5 |
| Ascorbic acid | 97.9 ± 0.06 | 97.3 ± 0.05 | 97.2 ± 0.05 | 97.0 ± 0.1 | 96.9 ± 0.06 | 0.5 | MeOH extract | 91.1 ± 0.06 | 82.8 ± 0.2 | 73.2 ± 0.06 | 60.7 ± 0.06 | 56.7 ± 0.06 | 49.4 | n-hexane: EtOAc (1 : 1) extract | 81.5 ± 0.12 | 78.5 ± 0.15 | 67.2 ± 0.1 | 54.6 ± 0.12 | 41.7 ± 0.2 | 73.1 | 3 | 40.3 ± 0.2 | 35.2 ± 0.2 | 33.1 ± 0.2 | 31.9 ± 0.2 | 30.3 ± 0.3 | 19.4 | 5 | 95.4 ± 0.1 | 94.5 ± 0.2 | 94.0 ± 0.1 | 93.3 ± 0.1 | 92.1 ± 0.1 | 2.1 | 6 | 95 ± 0.2 | 94.3 ± 0.2 | 94.2 ± 0.2 | 88.0 ± 0.1 | 86.5 ± 0.2 | 7.4 |
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Note. The %inhibition was reported as mean ± SD.
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