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Table 3 Antibiotic Susceptibility pattern of selected bacterial strains to different antibiotic groups

From: Demonstration of biological activities of extracts from Isodon rugosus Wall. Ex Benth: Separation and identification of bioactive phytoconstituents by GC-MS analysis in the ethyl acetate extract

Bacterial strains

Diameter of the inhibitory zone (mm) Mean ± SEM (n = 5)

Ciprofloxacin

Cefixime

Amoxycillin

Gentamycin

Cephradine

Cloxacillin

Escherichia coli (739)

24.67 ± 1.20

18.33 ± 0.88

07.67 ± 0.67

26.67 ± 0.67

06.67 ± 0.88

09.33 ± 0.33

Klebsiella pneumoniae (700603)

19.00 ± 0.57

06.67 ± 0.67

08.00 ± 0.57

22.00 ± 0.57

08.67 ± 0.88

06.67 ± 1.20

Pseudomonas aeruginosa (27853)

22.33 ± 0.88

16.67 ± 1.20

07.67 ± 1.20

20.67 ± 1.20

10.33 ± 1.45

08.33 ± 0.33

Enterococcus faecalis (29212)

16.33 ± 0.33

12.33 ± 0.88

09.33 ± 0.88

26.67 ± 0.67

14.00 ± 1.15

06.67 ± 0.67

Proteus mirabilis (13315)

18.67 ± 1.20

06.67 ± 0.33

10.67 ± 0.33

27.33 ± 0.88

10.00 ± 0.57

12.33 ± 0.88

Staphylococcus aureus (29213)

26.67 ± 0.67

08.33 ± 0.33

14.00 ± 0.57

29.00 ± 0.57

12.33 ± 0.88

08.00 ± 0.57

Bacillus cereus

23.00 ± 0.57

11.67 ± 0.67

11.33 ± 0.88

26.00 ± 1.15

12.67 ± 0.67

09.67 ± 1.20

Salmonella typhi

23.33 ± 0.33

26.67 ± 1.20

7.67 ± 1.20

24.33 ± 0.33

10.00 ± 1.15

07.00 ± 1.15