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Table 4 Minimum Inhibitory Concentration (MIC) activity of the methanolic leaf extracts of Catharanthus roseus against the microbial species such as Escherichia coli, Staphylococcus aureus, Aspergillus niger and Candida albicans

From: Biological isolation and characterization of Catharanthus roseus (L.) G. Don methanolic leaves extracts and their assessment for antimicrobial, cytotoxic, and apoptotic activities

Sample labels

Test organisms

Test compounds

Concentration (μg) per well

Zone of inhibition (mm)

Catharanthus roseus leaves

Staphylococcus aureus

Control

5%

Ciprofloxacin

2 μg

22 ± 0.0

Sample

2 μg

14 ± 0.0

1 μg

10 ± 0.0

Escherichia coli

Control

5%

Ciprofloxacin

2 μg

22 ± 0.0

Sample

2 μg

12 ± 0.0

1 μg

10 ± 0.0

Aspergillus niger

Control

5%

Itraconazole

20 μg

12 ± 0.0

Sample

2 μg

09 ± 0.0

1 μg

06 ± 0.0

Candida albicans

Control

5%

Itraconazole

20 μg

12 ± 0.0

Sample

2 μg

10 ± 0.0

1 μg

07 ± 0.0