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Inhibition of the in vitro Growth of Salmonella enteritidis D by Goat and Cow Milk Fermented with Probiotic Bacteria Bifidobacterium longum Bb-46 (CROSBI ID 136154)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Slačanac, Vedran ; Hardi, Jovica ; Čuržik, Darko ; Pavlović, Hrvoje ; Lučan, Mirela, Vlainić, Mato Inhibition of the in vitro Growth of Salmonella enteritidis D by Goat and Cow Milk Fermented with Probiotic Bacteria Bifidobacterium longum Bb-46 // Czech journal of food sciences, 25 (2007), 6; 351-358-x

Podaci o odgovornosti

Slačanac, Vedran ; Hardi, Jovica ; Čuržik, Darko ; Pavlović, Hrvoje ; Lučan, Mirela, Vlainić, Mato

engleski

Inhibition of the in vitro Growth of Salmonella enteritidis D by Goat and Cow Milk Fermented with Probiotic Bacteria Bifidobacterium longum Bb-46

This study was carried out to determine the influence of goat and cow milk fermented by Bifidobacterium longum Bb-46 on the pathogenic Salmonella enteritidis D strain. The basic hypothesis of this study was that fermented goat milk could possibly have a stronger inhibitory effect on the growth of Salmonella enteritidis D than fermented cow milk. The correlation between the inhibitory effect and some fermentation parameters (number of viable cells of Bifidobacterium longum Bb-46 and pH of fermented milk) was also analysed. S enteritidis D strains were isolated directly from the faeces of an infant with diagnosed salmonellosis. The inhibitory effects of goat and cow milk fermented with Bifidobacterium longum Bb-46 were determined on Salmonella-Shigella agar after 0, 5, 10, 15, 20, and 25 h from the start of fermentation. Bifidobacterium longum Bb-46 count and pH values were also measured in samples of goat and cow milk during fermentation. The results obtained have shown a considerably higher inhibitory effect of fermented goat milk on the growth of Salmonella enteritidis D as compared to that of fermented cow milk. At the same time, higher acidity and CFU of Bifidobacterium longum Bb-46 were noted in fermented goat milk in all the phases of the fermentation process. The inhibitory effects of the fermented goat and cow milk on Salmonella enteritidis D growth increased rapidly with the fermentation time. The results indicated high sensitivity of Salmonella enteritidis D to acidity of both fermented milks. Consequently, a significant correlation between the inhibition degree and pH values of fermented goat and cow milk was noted.

Bifidobacterium longum Bb-46; fermented goat milk; fermented cow milk; inhibitory effect; lactic acid fermentation; Salmonella enteritidis D

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Podaci o izdanju

25 (6)

2007.

351-358-x

objavljeno

1212-1800

Povezanost rada

Drvna tehnologija

Indeksiranost