Table 4.
Antioxidant activity of hexane, ethyl acetate, and ethanol extracts of the leaves, stems, and roots of C. latifolia plants.
| Extract of C. latifolia | Inhibition concentration of 50% (µg/mL) | µmol GAEAC/g extract | |
|---|---|---|---|
| DPPH• assay | NO• assay | CUPRAC assay | |
| Hexane leaf extract | 370.74 ± 0.51∗ | 88.38 ± 0.29∗ | 87.17 ± 5.65∗bc |
| Hexane stem extract | 437.07 ± 0.59∗ | 143.32 ± 0.31∗ | 102.52 ± 12.98∗ac |
| Hexane root extract | 389.16 ± 1.81∗ | 372.65 ± 0.58∗ | 93.18 ± 6.2∗ab |
| Ethyl acetate leaf extract | 82.01 ± 0.61∗e | 25.51 ± 0.58∗ | 390.42 ± 14.49∗ |
| Ethyl acetate stem extract | 81.22 ± 0.43∗d | 123.47 ± 0.52∗ | 298.61 ± 3.05∗ |
| Ethyl acetate root extract | 28.30 ± 0.55∗ | 92.08 ± 0.65∗ | 236.29 ± 5.01∗hi |
| Ethanol leaf extract | 94.85 ± 0.52∗ | 22.57 ± 0.74∗ | 165.01 ± 1.88∗ |
| Ethanol stem extract | 41.19 ± 0.32∗ | 45.65 ± 0.77∗ | 234.58 ± 14.17∗fi |
| Ethanol root extract | 20.42 ± 0.33∗ | 84.60 ± 0.56∗ | 232.08 ± 5.61∗fh |
| Quercetin | 4.76 ± 0.09∗ | 3.59 ± 0.072∗ | — |
Note. ∗ Significant difference between samples (p < 0.05, n = 3, post hoc test LSD). Alphabet differences indicate no significant difference between samples (p > 0.05, n = 3, post hoc test LSD).