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Table 3 Bacterial growth inhibition zones in agar well diffusion method treated with 50 mg/mL of methanol, acetone and aqueous extract of Moringa oleifera seed

From: Water purification and antibacterial efficacy of Moringa oleifera Lam

Organisms Zone of inhibition (mm) ± standard deviation Positive control (ciprofloxacin) p value using LSD
Seeds extract
Methanol Acetone Aqueous
E. coli (ATCC 2592) 9.66 ± 0.57b 13.33 ± 0.57c 8.33 ± 0.57a 33.33 ± 0.57d 0.008
E. coli (clinical isolate) 15.66 ± 0.57b 18.00 ± 0.00c 8.33 ± 0.57a 32.66 ± 2.3d 0.04
Salmonella typhii (clinical isolate) 15.33 ± 0.57b 19.00 ± 0.00c 7.66 ± 0.57a 29.33 ± 0.57d 0.026
Shigella dysenteriae (clinical isolate) 17.00 ± 0.00b 18.66 ± 0.57c 7.66 ± 1.15a 29.00 ± 0.00d 0.003
  1. Means followed by the same letter in a row, are not significantly different at p = 0.05, using LSD