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Inhibition of Growth and Mycotoxin Production of Penicilliumby LactobacillusSpecies

Lactic acid bacteria isolated from dairy products, vegetables and fruits were screened for their antifungal and antimycotoxigenic activities. From 420 isolates tested, four isolates were found to be inhibitory to four Penicilliumspecies. Two of the lactic acid bacteria isolates showed the largest in...

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Bibliographic Details
Published in:Food science & technology 1997, Vol.30 (3), p.279-283
Main Author: Gourama, Hassan
Format: Article
Language:English
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Summary:Lactic acid bacteria isolated from dairy products, vegetables and fruits were screened for their antifungal and antimycotoxigenic activities. From 420 isolates tested, four isolates were found to be inhibitory to four Penicilliumspecies. Two of the lactic acid bacteria isolates showed the largest inhibitory activity against Penicillum citrinumand Penicillium expansum. The two isolates were identified as Lactobacillus caseispecies. Production of patulin and citrinin was also inhibited in the presence of the Lactobacillisupernatants. The inhibitory activity in the two Lactobacillicell-free supernatants was shown to be unrelated to the production of lactic acid or hydrogen peroxide, and was found to be sensitive to proteolytic enzymes and to high temperature (100 °C). The antimycotoxigenic activity was not affected by the addition of glucose used by Lactobacillispecies during incubation.
ISSN:0023-6438
1096-1127
DOI:10.1006/fstl.1996.0183