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Table 4 Antibiotic susceptibility/resistance pattern of newly isolated lactic acid bacteria

From: Lactic acid bacteria isolated from fermented flour of finger millet, its probiotic attributes and bioactive properties

Antibiotics

Diameter (in mm) of the inhibition zone of the LAB isolates

R17

RV02

RV19

RV28

O24

Cefotaxime

19.25 ± 0.75b

24.50 ± 0.29a

26.25 ± 0.25a

21.50 ± 0.87b

18.25 ± 0.25b

Gentamycin

13.00 ± 0.0c

12.50 ± 0.50c

12.50 ± 0.64c

18.50 ± 0.50a

13.75 ± 0.63c

Tetracycline

0. 0 ± 0. 0e

9.75 ± 0.48d

12.00 ± 0.0c

11.75 ± 0.48c

23.50 ± 0.50b

Chloramphenicol

14.75 ± 0.75b

16.00 ± 0.0b

20.25 ± 0.85a

0.0 ± 0.0c

15.75 ± 0.25b

Sulfamethoxazole

0.0 ± 0.0d

22.00 ± 0.41b

23.00 ± 0.0b

20.50 ± 0.29b

19.00 ± 0.0b,c

Ciprofloxacin

20.25 ± 0.25b

11.75 ± 0.48d

16.50 ± 0.50c

24.75 ± 0.48a

10.50 ± 0.50d

Amikacin

24.75 ± 0.25b

23.25 ± 0.25b

27.00 ± 0.58a

21.00 ± 0.58c

18.00 ± 0.0d

Bacitracin

34.75 ± 0.25a

29.75 ± 0.85b

16.25 ± 0.25e

21.00 ± 0.0d

16.00 ± 0.0e

Ampicillin

10.75 ± 0.63c

14.50 ± 0.50b

12.00 ± 0.0c

9.25 ± 0.25c,d

26.25 ± 0.25a

Amoxicillin

13.50 ± 0.29d

10.00 ± 0.0c

12.50 ± 0.50d

11.75 ± 0.48d

24.75 ± 0.48b

Cephalothin

23.75 ± 1.31a

16.50 ± 0.50c

17.00 ± 0.0c

18.50 ± 0.29c

15.50 ± 0.65c

Vancomycin

14.25 ± 0.85b

15.50 ± 0.50b

16.50 ± 0.29b

12.75 ± 0.48b

22.25 ± 0.85a

Erythromycin

20.75 ± 0.25b

23.00 ± 0.0a

21.25 ± 0.63b

22.75 ± 0.25a,b

16.75 ± 0.48d

  1. Data is expresses as mean ± SEM, n = 9. With in a row, mean values with lowercase letters are significantly different (P < 0.05). The letters R, RV, and O refers to lactic acid bacteria isolated from Ravi, Ravana, and Oshadha varieties of finger millet. Concentration of antibiotic discs (cefotaxime—15 μg, gentamycin—10 μg, tetracycline—30 μg, chloramphenicol—30 μg, sulphamethoxazole—25 μg, ciprofloxacin—5 μg, amikacin—30 μg, bacitracin—10 units, ampicillin—10 μg, amoxicillin—30 μg, cephalothin—30 μg, vancomycin—30 μg, and erythromycin—30 μg)