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Table 3 Antibacterial activity of some standard antibiotics

From: Antibacterial and phytochemical screening of Anethum graveolens, Foeniculum vulgare and Trachyspermum ammi

Bacteria Zone of inhibition (in mm)
  Antibiotics (μg/disc)
  A 10a Cfx 5a C 30a Co 5a G 10a I 10a Pt 10a Tb 10a
EF 21 - 23 - 11 23 16 09
SA 30 21 22 21 17 39 33 18
EC 20 20 19 21 18 28 20 16
KP 1 - 22 23 24 14 21 18 17
KP 2 - 22 24 22 13 - - -
PA 1 - - 16 - 17 21 17 19
PA 2 - - - - 13 26 18 18
ST 10 17 19 16 15 21 17 13
STM 1 26 23 32 22 20 30 26 20
STM 2 - 20 23 18 21 24 17 17
SF 23 23 25 18 27 32 23 17
Mean 11.82 15.27 20.55 12.82 16.00 24.09 18.64 14.91
± SD 12.287 9.951 7.942 10.400 3.098 9.741 8.028 5.804
  1. a (μg/disc)
  2. -: no zone of inhibition
  3. A10: Ampicillin; Cfx5: Cefixime; C30: Chloramphenicol; Co25: Co-trimoxazole; G10: Gentamicin; I10: Imipenem; Pt10: Pipericillin/Tazobactam; Tb10: Tobramycin
  4. EF: Enterococcus faecalis; SA: Staphylococcus aureus; EC: Escherichia coli; KP 1: Klebsiella pneumoniae 1; KP 2: K. pneumoniae 2; PA 1: Pseudomonas aeruginosa 1; PA 2: P. aeruginosa 2; ST: Salmonella typhi; STM 1: Salmonella typhimurium 1; STM 2: S. typhimurium 2; SF: Shigella flexneri