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.

SolventFruitZone-of-inhibition (mm)
S. aureusB. subtilisP. multocidaE. coli

Extract in 60% methanolImmature12.4 ± 0.32c18.8 ± 0.06b8.1 ± 0.71d12.2 ± 0.44c
Mature17.8 ± 0.12b15.9 ± 0.26c14.1 ± 0.46d16.2 ± 0.41c
Ripen11.8 ± 0.12c14.9 ± 0.75c13.3 ± 0.26c14.9 ± 0.36c

Extract in 80% methanolImmature18.2 ± 0.12b17.2 ± 0.06d16.2 ± 0.45c16.3 ± 1.61b
Mature15.9 ± 0.41c17.5 ± 0.31b16.3 ± 0.15c18.4 ± 0.17b
Ripen16.1 ± 0.52b16.3 ± 0.17b13.7 ± 0.47c16.1 ± 0.29b

Extract in 100% methanolImmature18.5 ± 0.21b18.4 ± 0.06c17.7 ± 0.15b17.4 ± 0.72b
Mature15.9 ± 0.56c17.2 ± 0.36b17.5 ± 0.33b16.1 ± 0.38c
Ripen15.9 ± 0.31b16.4 ± 0.44b16.2 ± 0.35b14.1 ± 0.38d

ControlRifampicin26.8 ± 0.11a26.5 ± 0.06a24.5 ± 0.17a23.9 ± 0.09a

Values with the same letters in superscript in similar colored shade cells do not differ significantly. Values are significant at level .