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International Journal of Phytomedicine and Phytotherapy

Table 3 Antibacterial activity of I. mauritiana using the disk diffusion method

From: Antioxidant and antibacterial activity of Ipomoea mauritiana Jacq.: a traditionally used medicinal plant in Bangladesh

Bacterial strains Test organisms Zone of inhibition (mm)
I. mauritiana (400 μg /disc) I. Mauritiana (200 μg /disc) Kanamycin (30 μg /disc)
Gram positive Bacillus cereus 19.25 ± 1.020 42.56 ± 0.816
Bacillus subtilis 14.25 ± 0.612 37.86 ± 1.224
Staphylococcus aureus 41.25 ± 0.186
Sarcina lutea 18.5 ± 0.0813 40.50 ± 0.408
Gram negative Escherichia coli 39.66 ± 0.471
Pseudomonas aureus 13 ± 0.816 40.05 ± 0.754
Salmonella paratyphi 15.15 ± 0.122 41.48 ± 0.465
Shigella dysenteriae 42.82 ± 0.275
Shigella boydii 18.25 ± 3.06 41.95 ± 0.568
Vibrio parahemolyticus 16 ± 0.816 38.52 ± 0.437
  1. Note: The diameter of zone of inhibition are expressed as mean ± SD. (n = 3); a diameter less than 8 mm was considered inactive. Zone of inhibition (mm) determined after 24 h of incubation at 37 °C