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Table 1 Antibacterial activity screening of A. nilagirica by disk diffusion

From: Antibacterial activity of Artemisia nilagirica leaf extracts against clinical and phytopathogenic bacteria

 

Zone of inhibition (mm diameter)

Bacterial culture

Positive control

Solvent control

Ethanol

Methanol

Hexane

Petroleum Ether

Chloroform

Diethyl ether

Erwinia sp.

15

-

10 ± 0.0

12 ± 0.5

13 ± 1.0

10 ± 0.0

12 ± 0.0

10 ± 0.5

X. campestris

16

-

11 ± 0.5

12 ± 0.0

14 ± 0.0

11 ± 0.5

12 ± 0.1

11 ± 0.5

P. syringae

14

-

11.8 ± 0.5

11 ± 0.0

12 ± 0.0

10 ± 0.0

10 ± 0.0

12 ± 0.5

C. michiganense

15

-

12 ± 1.0

12 ± 0.0

13 ± 0.0

8 ± 0.0

11 ± 0.0

12.4 ± 0.5

E. coli

13

-

14 ± 1.0

12 ± 0.5

8 ± 0.0

8 ± 0.0

11 ± 0.5

11 ± 0.0

Y. enterocolitica

14

-

11 ± 1.0

12 ± 0.0

11 ± 0.0

9 ± 0.5

13 ± 0.0

14 ± 0.0

B. subtilis

13

-

8 ± 0.0

8 ± 0.0

-

8 ± 0.0

10 ± 0.0

10 ± 0.0

E. faccalis

14

-

-

-

-

-

7 ± 0.0

8 ± 0.0

K. pneumonia

12

-

-

8 ± 0.0

-

-

-

-

S. typhi

10

-

8 ± 0.0

10 ± 0.0

13 ± 1.0

12 ± 1.0

8 ± 0.0

8 ± 0.0

S. aureus

12

-

-

-

-

-

7 ± 0.0

-

E. acrogens

14

-

8 ± 0.0

11 ± 1.0

8 ± 0.0

8 ± 0.0

10 ± 0.0

8 ± 0.5

P. valgaris

14

-

8 ± 0.0

12 ± 1.0

14 ± 0.0

14 ± 0.5

10 ± 0.0

8 ± 0.0

P. aeruginosa

13

-

10 ± 0.0

12 ± 0.0

13 ± 0.0

12 ± 0.0

10 ± 0.0

8 ± 0.0

S. flexneri

14

-

8 ± 0.0

10 ± 1.0

8 ± 0.0

8 ± 0.0

10 ± 0.0

8 ± 0.0

  1. ± - mean standard deviation of triplicates, Concentration of extract- 5 mg/disk, (-) - No zone of inhibition observed, Positive controls - ampicillin or streptomycin or gentamycin (10 μg/ml), Solvent control - 10% DMSO.