Skip to main content

Table 3 Antimicrobial activity of T. brownii root extracts

From: Antimicrobial activity and brine shrimp toxicity of extracts of Terminalia brownii roots and stem

Extracts/drugs

Organisms tested

  

S. aureus

P. mirabilis

S. typhi

E. coli

P. aeruginosa

B. anthracis

B. cereus

K. pneumoniae

C. albicans

C. neoformns

PE

IZ

3.0 ± 0.6

11.7 ± 1.5

-

2.5 ± 1.3

4.5 ± 0.7

5.5 ± 1.7

-

2.3 ± 0.3

2.5 ± 0.5

-

 

AI

0.21

0.83

-

0.17

0.32

0.30

-

0.19

0.18

-

DM

IZ

7.0 ± 2.0

12.5 ± 1.7

-

5.0 ± 0.5

4.5 ± 1.1

7.5 ± 0.7

-

1.0 ± 0.6

2.0 ± 0.7

-

 

AI

0.50

0.89

-

0.33

0.32

0.43

-

0.08

0.14

-

DM:M (1:1)

IZ

11.5 ± 1.1

13.0 ± 1.0

-

-

-

-

5.5 ± 0.3

-

12.0 ± 1.0

5.5 ± 0.3

 

AI

0.82

0.93

-

-

-

-

0.39

-

0.86

0.37

M

IZ

12.7 ± 1.1

13.5 ± 1.7

-

-

9.0 ± 2.0

12.0 ± 2.0

4.5 ± 0.7

-

8.0 ± 1.0

7.0 ± 1.0

 

AI

0.91

0.96

-

-

0.64

0.67

0.32

-

0.57

0.47

Aqua

IZ

14.0 ± 1.1

-

-

-

12.0 ± 1.1

13.0 ± 1.0

6.5 ± 0.3

6.0 ± 1.0

6.0 ± 2.0

8.5 ± 1.5

 

AI

1.00

-

-

-

0.86

0.72

0.46

0.50

0.43

0.54

Gent

IZ

14.0 ± 1.5

14.0 ± 1.0

14.0 ± 1.1

15.0 ± 1.5

14.0 ± 1.0

18.0 ± 1.0

14.0 ± 1.7

12.0 ± 1.0

-

-

 

AI

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

-

-

Clotr

IZ

-

-

-

-

-

-

-

-

14.0 ± 2.0

15.0 ± 1.0

 

AI

-

-

-

-

-

-

-

-

1.00

1.00

  1. The results are presented as inhibition zone diameters in mm. Each value represents mean ± SD (n = 3). Key: PE = petroleum ether extract; DM = dicloromethane extract; 1:1 D:M = 1:1 dicloromethane:methanol extract; M = methanol extract; Aqua = aqueous extract; Gent = gentamicin; Clotr = Clotrimazole.