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Table 1 Zone of inhibition of C. angustifolia extracts against pathogenic bacterial and fungal strains

From: Pharmacologically active flavonoids from the anticancer, antioxidant and antimicrobial extracts of Cassia angustifolia Vahl

Microrganisms Extracts Zones of Inhibition (mm)
1.25 mg/mL 2.5 mg/mL 5 mg/mL 10 mg/mL
Acinetobacter junii Methanol 0.0 ± 0.0 0.0 ± 0.0 7.5 ± 0.1** 10 ± 0.2**
Acetone 0.0 ± 0.0 0.0 ± 0.0 7.9 ± 0.1** 9.5 ± 0.1**
Ethyl acetate 0.0 ± 0.0 8.0 ± 0.2** 10.5 ± 0.2** 11 ± 0.36**
Ethanol 0.0 ± 0.0 0.0 ± 0.0 8.0 ± 0.36** 10 ± 0.2**
Aqueous 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Serratia mercescens Methanol 8.5 ± 0.2** 8.8 ± 0.3** 10.8 ± 0.26* 11.6 ± 0.2**
Acetone 9.5 ± 0.36** 9.7 ± 0.17** 10.5 ± 0.60* 12.8 ± 1**
Ethyl acetate 10.5 ± 0.26* 10.8 ± 0.1** 11.6 ± 1.2* 12.5 ± 1.1*
Ethanol 9.0 ± 0.60** 10.0 ± 0.17** 12.1 ± .95* 13.3 ± 0.51**
Aqueous 7.3 ± 0.33** 7.8 ± 0.57** 9.0 ± 0.60** 10.0 ± 0.20**
Enterobacter cloacae Methanol 7.3 ± 0.26** 7.5 ± 0.20** 8.6 ± 0.36** 10.6 ± 0.20**
Acetone 0.0 ± 0.0 0.0 ± 0.0 7.5 ± 0.3** 8.5 ± 0.1**
Ethyl acetate 7.8 ± 0.78* 8.5 ± 0.1** 10.5 ± 0.26** 12.5 ± 0.50**
Ethanol 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Aqueous 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Pseudomonas aeruginosa Methanol 7.5 ± 0.20** 8.5 ± 0.1** 10.0 ± 0.20** 12.1 ± 0.43**
Acetone 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Ethyl acetate 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Ethanol 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Aqueous 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Salmonella typhi Methanol 7.8 ± 0.3** 8.8 ± 0.52** 10.8 ± 0.65** 12.17 ± 0.43**
Acetone 7.1 ± 0.6* 7.8 ± 0.30** 8.2 ± 0.36** 8.9 ± 0.43**
Ethyl acetate 8.8 ± 0.28** 9.3 ± 0.45** 10.0 ± 0.20** 12.5 ± 0.62**
Ethanol 7.1 ± 0.26** 8.0 ± 0.34** 10.5 ± 0.50** 11.8 ± 0.40**
Aqueous 7.6 ± 0.40** 8.8 ± 0.40** 9.5 ± 0.43** 10.0 ± 0.34**
Candida albicans Methanol 8.5 ± 0.30** 10.5 ± 0.78** 11.5 ± 0.36** 12.0 ± 0.8**
Acetone 10 ± 0.34** 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
Ethyl acetate 9.0 ± 0.20** 9.5 ± 0.51** 10 ± 0.20** 0.0 ± 0.0
Ethanol 10.0 ± 0.1** 10.8 ± 0.40** 11.0 ± 1.3* 11.3 ± 0.55**
Aqueous 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0
  1. Each value represents the mean ± standard deviation of three replicates (n = 3)
  2. (*), and (**), significant at level P ≤ 0.01 and 0.001, respectively