Isolation and Characterization of Lactic Acid Bacteria from Fermented Milk Produced in Jimma Town, Southwest Ethiopia, and Evaluation of their Antimicrobial Activity against Selected Pathogenic Bacteria
Table 5
Multiple comparison of average inhibition zone of LAB isolated from Ergo samples, Jimma town, southwest Ethiopia.
Multiple comparisons
Tukey HSD
Dependent variable
(I) Test strains
(J) Test strains
Mean difference (I-J)
Sig.
Zone of inhibition in mm by LAB isolate 1
S. aureus
E. coli
.0000
1.000
Salmonella spp.
.7500
.971
E. coli
S. aureus
.0000
1.000
Salmonella spp.
.7500
.971
Salmonella spp.
S. aureus
-.7500
.971
E. coli
-.7500
.971
Zone of inhibition in mm by LAB isolate 2
S. aureus
E. coli
9.5000
.014
Salmonella spp.
5.2500
.169
E. coli
S. aureus
-9.5000
.014
Salmonella spp.
-4.2500
.288
Salmonella spp.
S. aureus
-5.2500
.169
E. coli
4.2500
.288
Zone of inhibition in mm by LAB isolate 3
S. aureus
E. coli
2.5000
.577
Salmonella spp.
.7500
.949
E. coli
S. aureus
-2.5000
.577
Salmonella spp.
-1.7500
.757
Salmonella spp.
S. aureus
-.7500
.949
E. coli
1.7500
.757
Zone of inhibition in mm by LAB isolate 4
S. aureus
E. coli
-.5000
.974
Salmonella spp.
-1.2500
.850
E. coli
S. aureus
.5000
.974
Salmonella spp.
-.7500
.942
Salmonella spp.
S. aureus
1.2500
.850
E. coli
.7500
.942
Zone of inhibition in mm by LAB isolate 5
S. aureus
E. coli
-3.0000
.595
Salmonella spp.
2.0000
.788
E. coli
S. aureus
3.0000
.595
Salmonella spp.
5.0000
.269
Salmonella spp.
S. aureus
-2.0000
.788
E. coli
-5.0000
.269
Zone of inhibition in mm by LAB isolate 6
S. aureus
E. coli
2.0000
.733
Salmonella spp.
6.7500
.070
E. coli
S. aureus
-2.0000
.733
Salmonella spp.
4.7500
.220
Salmonella spp.
S. aureus
-6.7500
.070
E. coli
-4.7500
.220
Zone of inhibition in mm by LAB isolate 7
S. aureus
E. coli
1.0000
.928
Salmonella spp.
4.7500
.236
E. coli
S. aureus
-1.0000
.928
Salmonella spp.
3.7500
.385
Salmonella spp.
S. aureus
-4.7500
.236
E. coli
-3.7500
.385
Zone of inhibition in mm by LAB isolate 8
S. aureus
E. coli
1.7500
.684
Salmonella spp.
5.7500
.050
E. coli
S. aureus
-1.7500
.684
Salmonella spp.
4.0000
.183
Salmonella spp.
S. aureus
-5.7500
.050
E. coli
-4.0000
.183
Zone of inhibition in mm by LAB isolate 9
S. aureus
E. coli
6.1250
.049
Salmonella spp.
8.8750
.007
E. coli
S. aureus
-6.1250
.049
Salmonella spp.
2.7500
.449
Salmonella spp.
S. aureus
-8.8750
.007
E. coli
-2.7500
.449
Zone of inhibition in mm by LAB isolate 10
S. aureus
E. coli
6.7500
.065
Salmonella spp.
2.0000
.725
E. coli
S. aureus
-6.7500
.065
Salmonella spp.
-4.7500
.209
Salmonella spp.
S. aureus
-2.0000
.725
E. coli
4.7500
.209
Zone of inhibition in mm by LAB isolate 11
S. aureus
E. coli
3.2500
.376
Salmonella spp.
.1250
.998
E. coli
S. aureus
-3.2500
.376
Salmonella spp.
-3.1250
.402
Salmonella spp.
S. aureus
-.1250
.998
E. coli
3.1250
.402
Zone of inhibition in mm by LAB isolate 12
S. aureus
E. coli
4.2500
.390
Salmonella spp.
.5000
.986
E. coli
S. aureus
-4.2500
.390
Salmonella spp.
-3.7500
.472
Salmonella spp.
S. aureus
-.5000
.986
E. coli
3.7500
.472
The mean difference is significant at the 0.05 level.
