Research Article
Antioxidant, Antibacterial, and Anticancer Activities of Bitter Gourd Fruit Extracts at Three Different Cultivation Stages
Table 2
Antibacterial activity of immature, mature, and ripen BG extracts in 60%, 80%, and 100% methanol using food-born and MDR bacterial strains.
| Solvent | Fruit | Zone-of-inhibition (mm) | S. aureus | B. subtilis | P. multocida | E. coli |
| Extract in 60% methanol | Immature | 12.4 ± 0.32c | 18.8 ± 0.06b | 8.1 ± 0.71d | 12.2 ± 0.44c | Mature | 17.8 ± 0.12b | 15.9 ± 0.26c | 14.1 ± 0.46d | 16.2 ± 0.41c | Ripen | 11.8 ± 0.12c | 14.9 ± 0.75c | 13.3 ± 0.26c | 14.9 ± 0.36c |
| Extract in 80% methanol | Immature | 18.2 ± 0.12b | 17.2 ± 0.06d | 16.2 ± 0.45c | 16.3 ± 1.61b | Mature | 15.9 ± 0.41c | 17.5 ± 0.31b | 16.3 ± 0.15c | 18.4 ± 0.17b | Ripen | 16.1 ± 0.52b | 16.3 ± 0.17b | 13.7 ± 0.47c | 16.1 ± 0.29b |
| Extract in 100% methanol | Immature | 18.5 ± 0.21b | 18.4 ± 0.06c | 17.7 ± 0.15b | 17.4 ± 0.72b | Mature | 15.9 ± 0.56c | 17.2 ± 0.36b | 17.5 ± 0.33b | 16.1 ± 0.38c | Ripen | 15.9 ± 0.31b | 16.4 ± 0.44b | 16.2 ± 0.35b | 14.1 ± 0.38d |
| Control | Rifampicin | 26.8 ± 0.11a | 26.5 ± 0.06a | 24.5 ± 0.17a | 23.9 ± 0.09a |
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Values with the same letters in superscript in similar colored shade cells do not differ significantly. Values are significant at level . |