Cell-free culture supernatants of Lactobacillus spp. and Pediococcus spp. inhibit growth of pathogenic Escherichia coli isolated from pigs in Thailand

Table 1 The comparison of the presence of ZOI (mm) between L. acidophilus KMP, L. plantarum KMP, and P. pentosaceus KMP in various hours of incubation performed using one-way analysis of variance (ANOVA) and compared means by using Duncan’s test

LAB-CFCS	The presence of ZOI (mm) which expressed as mean (n = 4)
LAB-CFCS	8 h incubation	10 h incubation	12 h incubation	14 h incubation	16 h incubation
L. acidophilus KMP	25.31 ± 0.61^b	23.00 ± 0.61^b	20.56 ± 1.27^b	18.56 ± 1.72^b	16.24 ± 1.59
L. plantarum KMP	27.38 ± 0.72^a	25.16 ± 0.95^a	22.60 ± 1.50^a	20.45 ± 1.73^a	18.50 ± 1.80
P. pentosaceus KMP	25.36 ± 0.78^b	22.82 ± 0.73^b	20.33 ± 1.16^b	18.22 ± 1.56^b	14.69 ± 5.40
P-value	0.000	0.000	0.001	0.013	0.059

Note: ^(a,b) The mean values with different superscript letters were statistically significant (P-value < 0.05, Duncan’s test)

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