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International Journal of Phytomedicine and Phytotherapy

Table 1 Zone of inhibition of compound 1 and reference drug (erythromycin) against respiratory tract pathogens

From: A new derivative of ionone from aerial parts of Viola odorata Linn. and its antibacterial role against respiratory pathogens

S. no. Microorganisms Diameters of inhibition zone (mm) ± SEMa
Compound 1 DMSO Erythromycin
1. H. influenzae 9.3 ± 0.28 - 9.6 ± 0.23
2. P. aeruginosa 7.6 ± 0.28 - 11.0 ± 0.40
3. S. aureus 7.6 ± 0.57 - 11.3 ± 0.23
4. S. pneumoniae 8.0 ± 0.50 - 8.3 ± 0.23
5. S. pyogenes 7.3 ± 0.28 - 13.3 ± 0.47
  1. azone of inhibition in millimeter (mm) in triplicate expressed as means and standard error of means (SEM); Disc diameter: 5 mm; Compound 1 concentration was 6 mg/disc