Table 4 The inhibitory effect of isolated LAB strains against pathogens.

From: Probiotic properties and antimicrobial evaluation of silymarin-enriched Lactobacillus bacteria isolated from traditional curd

Pathogens	Origin	Incubation conditions	Diameter of inhibition zone (mm)
Pathogens	Origin	Incubation conditions	C3	C18	C20	C39	C58	CON
S. sanguinis	PTCC 1449	37 °C in TSA II medium	13.6 ± 0.3^c	19.0 ± 0.2^a	16.1 ± 0.2^b	12.3 ± 0.6^d	18.9 ± 0.5^a	0.0 ± 0.0^e
S. salivarius	PTCC 1448	37 °C in TSA II medium	16.3 ± 0.4^c	20.9 ± 0.5^a	16.7 ± 0.2^c	18.8 ± 0.5^b	21.3 ± 0.8^a	0.0 ± 0.0^d
S. sobrinus	PTCC 1601	37 °C in Blood agar medium	18.3 ± 0.7^b	21.6 ± 0.4^a	17.2 ± 0.5^c	17.4 ± 0.4^bc	21.2 ± 0.9^a	0.0 ± 0.0^d
Y. enterocolitica	ATCC 23,715	37 °C in TSA medium	15.8 ± 0.4^d	20.9 ± 0.4^a	16.4 ± 1.1^d	17.8 ± 0.8^c	19.3 ± 0.9^b	0.0 ± 0.0^e
S. mutans	PTCC 1683	37 °C in MHA medium	15.7 ± 0.4^b	25.4 ± 0.6^a	14.2 ± 0.4^c	13.3 ± 0.2^d	14.4 ± 0.3^c	0.0 ± 0.0^e
P.aeruginosa	PTCC 1181	26 °C in Nutrient agar medium	14.3 ± 0.4^c	21.5 ± 0.4^a	15.7 ± 0.2^b	14.3 ± 0.3^c	14.6 ± 0.4^c	0.0 ± 0.0^d
S. aureus	ATCC 25,923	37 °C in Blood agar medium	15.7 ± 0.3^c	21.8 ± 0.4^a	16.4 ± 0.6^b	15.3 ± 0.4^c	21.7 ± 0.2^a	0.0 ± 0.0^d
B. subtilis	ATCC 19,652	30 °C in Nutrient agar/broth medium	15.1 ± 0.3^c	21.6 ± 0.3^a	12.3 ± 0.6^d	16.3 ± 0.4^b	21.5 ± 0.1^a	0.0 ± 0.0^e
L. monocytogenes	ATCC 13,932	37 °C in BHI medium	16.2 ± 0.4^d	18.8 ± 0.6^c	15.7 ± 0.2^d	20.0 ± 0.5^b	20.9 ± 0.5^a	0.0 ± 0.0^e
K. pneumoniae	PTCC 1053	37 °C in MPA medium	20.2 ± 0.4^b	18.7 ± 0.2^d	16.1 ± 0.2^e	19.7 ± 0.3^c	21.0 ± 0.4^a	0.0 ± 0.0^f
S. flexneri	PTCC 1234	37 °C in MHA medium	18.6 ± 0.3^b	23.8 ± 0.7^a	14.1 ± 0.2^d	15.2 ± 0.4^c	19.0 ± 0.4^b	0.0 ± 0.0^e
E. coli	PTCC 1276	37 °C in LB medium	15.8 ± 0.5^c	20.9 ± 0.4^a	16.8 ± 0.5^b	10.2 ± 0.4^d	20.8 ± 0.3^a	0.0 ± 0.0^e

Values are mean ± standard error of triplicates. ^a-f Means in the same row with different lowercase letters differed significantly (P < 0.05).
ATCC: American Type Culture Collection, Virginia, USA. PTCC: Persian Type Culture Collection, Tehran, Iran.
Streptococcus sanguinis, Streptococcus salivarius, Streptococcus sobrinus, Yersinia enterocolitica, Streptococcus mutans, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis, Listeria monocytogenes, Klebsiella pneumoniae, Shigella flexneri, and Escherichia coli. These pathogenic organisms were purchased from the Persian Type Culture Collection (PTCC).

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Table 4 The inhibitory effect of isolated LAB strains against pathogens.

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