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Clinical Phytoscience

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
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