Skip to main content

Table 2 Antimicrobial activity of the extracts

From: Bioprotective properties of Dragon's blood resin: In vitro evaluation of antioxidant activity and antimicrobial activity

Microorganisms Zone of inhibition (mm) MIC (mg/ml)
  CH2Cl2extract MeOH extract Tet CyX CH2Cl2extract MeOH extract
Bs 11.33 ± 0.58 10.33 ± 0.58 11.0 ± 0.0 ND 0.156 0.625
Ml 17.67 ± 0.58 17.33 ± 0.58 35.0 ± 0.0 ND 0.156 1.25
Sa 9.0 ± 0.0 10.33 ± 0.58 16.0 ± 0.0 ND 1.25 1.25
Sf 14.0 ± 0.0 10.33 ± 0.58 15.0 ± 0.0 ND 0.156 1.25
Pm 11.33 ± 0.58 12.0 ± 1.0 16.0 ± 1.0 ND 0.3125 1.25
Se NA NA NA ND >5 >5
Ea 8.67 ± 0.58 9.67 ± 0.58 10.0 ± 0.0 ND 0.625 1.25
Ec 9.0 ± 0.0 9.0 ± 0.0 11.67 ± 0.58 ND 0.3125 0.3125
Pa 7.67 ± 0.58 8.0 ± 0.0 NA ND >5 >5
Ca 8.0 ± 0.0 NA ND NA >5 >5
Af 9.0 ± 0.0 NA ND 14.0 ± 3.61 >5 >5
  1. NA, No antimicrobial activity. ND, Not determined, Tet, Tetracycline, CyX, Cycloheximide, Inhibition zones including the disc diameter (6 mm); <8.0 mm, weak activity; 8.0-9.0 mm, slight low activity; 9.1-10.0 mm, middle activity; 10.1-11.0 mm, slight high activity; 11.1-12.0 mm, moderate high activity; over 12.0 mm, very high activity.