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Table 1 Antimicrobial activity of phomalactone

From: Antimicrobial metabolite profiling of Nigrospora sphaerica from Adiantum philippense L.

Sl. no. Test organism Disc diffusion assay MIC (in μg)
Gentamicin
(10 μg disc-1)
30 μg disc-1 60 μg disc-1 150 μg disc-1 300 μg disc-1 450 μg disc-1 600 μg disc-1 Phomalactone Gentamicin
1. Bacillus cereus 19.33 ± 0.58f 21.67 ± 0.58e 23.33 ± 0.58d 25.33 ± 0.58c 26.67 ± 0.58bc 28.00 ± 0.00ab 29.33 ± 0.58a 6.25 0.78
2. Bacillus subtilis 20.33 ± 0.58de 17.67 ± 0.58f 19.33 ± 0.58ef 21.67 ± 0.58cd 23.33 ± 0.58c 26.33 ± 0.58b 31.00 ± 1.00a 6.25 0.19
3. Escherichia coli 20.33 ± 0.58f 24.33 ± 0.58e 25.00 ± 0.00de 26.33 ± 0.58cd 27.33 ± 0.58bc 29.00 ± 1.00b 31.67 ± 0.58a 3.12 0.39
4. Klebsiella pneumonia 21.33 ± 0.58d 18.67 ± 0.58e 21.33 ± 0.58d 22.67 ± 0.58d 25.67 ± 0.58d 27.33 ± 0.58b 29.33 ± 0.58a 6.25 1.56
5. Salmonella typhi 21.00 ± 1.00f 22.67 ± 0.58ef 23.67 ± 0.58de 25.00 ± 0.00cd 26.33 ± 0.58bc 27.67 ± 0.58b 30.00 ± 1.00a 6.25 0.39
6. Shigella flexneri 19.67 ± 0.58f 20.33 ± 0.58ef 22.00 ± 1.00de 23.67 ± 0.58cd 25.67 ± 0.58c 28.00 ± 1.00b 31.00 ± 1.00a 6.25 1.56
7. Staphylococcus aureus 26.33 ± 0.58bc 19.00 ± 1.00e 21.67 ± 0.58d 24.67 ± 0.58c 26.00 ± 0.00bc 27.33 ± 0.58b 31.00 ± 1.00a 12.5 0.19
8. Staphylococcus epidermidis 27.67 ± 0.58a 12.67 ± 0.58d 17.67 ± 0.58c 22.67 ± 0.58b 24.67 ± 0.58b 27.00 ± 1.00a 29.00 ± 1.00a 12.5 0.19
9. Vibrio parahaemolyticus 17.33 ± 0.58de 16.67 ± 0.58e 18.67 ± 0.58d 22.33 ± 0.58c 24.33 ± 0.58b 25.67 ± 0.58ab 26.67 ± 0.58a 6.25 0.78
10. Xanthomonas campestris 30.00 ± 1.00b 17.67 ± 0.58e 19.33 ± 0.58e 22.00 ± 1.00d 24.67 ± 0.58c 31.00 ± 1.00b 33.67 ± 0.58a 3.12 0.39
11 Candida albicans 25.67 ± 0.58a NA NA 16.33 ± 0.58d 17.33 ± 1.15cd 18.67 ± 0.58bc 20.33 ± 0.58b 12.5 0.19
  1. Values followed by the same superscript letter(s) are significantly different at (p < 0.05) by Tukey’s post hoc test
  2. NA no activity