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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)