Table 3 Antimicrobial Activity of the Leaves Essential Oil of A. flagellaris showing zones of inhibition of the isolates at different concentrations compared to the Standard drugs (with reference to Well diameter of 100 mm)

From: Composition and biological assays of the leaf essential oil of Asparagus flagellaris (Kunth) Bak

Test Organisms Negative Control Positive Control Inhibitory Zone (mm) at different Concentration (μg/mL)
Gentamicin Tioconazole 1000 500 250 125 62.5
Escherichia coli (−) 35 N/A (−) 14 ± 0.00 12 ± 0.00 12 ± 0.00 10 ± 0.00
Pseudomonas aeruginosa (−) 38 N/A (−) 14 ± 0.00 12 ± 0.00 (−) (−)
Klebsiella pneumonia (−) 38 N/A (−) 16 ± 0.00 13 ± 0.00 (−) (−)
Staphylococcus aureus (−) 36 N/A (−) 18 ± 0.01 15 ± 0.10 13 ± 0.10 11 ± 0.01
Bacillus subtilis (−) 38 N/A (−) 17 ± 0.00 15 ± 0.00 13 ± 0.10 11 ± 0.01
Salmonella typhi (−) 40 N/A (−) 15 ± 0.00 12 ± 0.00 10 ± 0.00 (−)
Candida albicans (−) N/A 28 (−) 14 ± 0.00 12 ± 0.00 10 ± 0.00 (−)
Penicillium notatum (−) N/A 28 (−) 14 ± 0.00 12 ± 0.00 10 ± 0.00 (−)
Aspergillus niger (−) N/A 28 (−) 12 ± 0.00 10 ± 0.00 (−) (−)
Rhizopus spp. (−) N/A 28 (−) 12 ± 0.00 10 ± 0.00 (−) (−)
  1. (−): no activity, N/A: not applicable, Mean ± Standard deviation