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Table 6 Summary of antimicrobial activity of Anethum sowa L. root extracts by diffusion method on Gram-negative bacteria

From: Pharmacological effects of the phytochemicals of Anethum sowa L. root extracts

Sample

Dose (μg/well)

Gram-negative bacteria and zone of Inhibition in mm

E.. coli 12079

E. coli 2799

P. aeruginosa

S. enteritidis 1375

S. typhi

A. aceti

PE (Cold)

400

7.03±0.29

9.0±0.26

1200

12.06±0.25

8.0±0.20

10.0±0.15

6.03±0.05

6.03±0.05

8.10±0.10

2000

15.03±0.20

13.10±0.42

12.0±0.11

9.03±0.05

11.0±0.20

10.06±0.11

Hex (Hot)

400

1200

6.0±0.10

8.0±0.17

7.03±0.15

2000

9.03±0.12

11.0±0.11

11.03±0.25

CE

400

7.0±0.30

7.10±0.10

1200

7.03±0.15

10.1±0.10

8.07±0.11

7.10±0.17

2000

9.0±0.30

12.0±0.21

10.1±0.10

10.06±0.11

EtOAc

400

7.06±0.25

7.03±0.12

9.0±0.10

6.0±0.10

6.03±0.05

1200

11.03±0.28

13.0±0.10

12.0±0.05

8.0±0.17

7.06±0.11

2000

13.06±0.30

15.0±0.15

14.0±0.17

16.03±0.20

12.0±0.26

400

1200

6.03±0.05

7.03±0.06

9.03±0.05

9.06±0.20

2000

8.06±0.20

10.0±0.17

11.0±0.10

7.06±0.05

12.16±0.15

Std. CP

5 μg/disc

25.03±0.40

23.10±0.17

29.0±0.11

39.0±0.17

35.03±0.37

28.03±0.23

Std. TE

30 μg/disc

9.03±0.30

11.0±0.21

16.10±0.15

23.0±0.10

25.03±0.20

23.06±0.28

  1. PE (Cold) Petroleum ether cold extract, Hex (Hot) Hexane hot extract, CE: Chloroform extract, EtOAc Ethyl acetate extract, MeOH Methanol extract, Std. CP Standard Ciprofloxacin, Std. TE Standard Tetracycline, “-” :no zone of inhibition. Each value is the mean± SD of three determinations (n=3)