Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica

Zagreb, Croatia

Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica

Zagreb, Croatia
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Markov K.,Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica | Frece J.,Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica | Cvek D.,Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica | Lovric N.,Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica | Delas F.,Laboratorij za Opcu Mikrobiologiju i Mikrobiologiju Namirnica
Mljekarstvo | Year: 2010

Aflatoxin M1 (AFM1) is potential human car-cinogen. Its presence in milk and dairy products represents risk for human health. Therefore, this study was carried out in order to determine the degree of microbiological contamination by mold, and the potential presence of aflatoxin M1 in 60 raw milk samples, randomly taken from individual producers from different regions of the continental Croatia. The most common genera isolated fungi were Geotrichum (78.3 %), Aspergillus (32.4 %) and Penicillium (27.0 %). From total of 60 studied milk samples, 86.66 % were positive for the presence of aflatoxin M1, and 6.66 % of samples were above the prescribed limits. Lactic acid bacteria used in fermented dairy products as a starter culture may play a role in reduction of aflatoxin in foods and nutrients. In this paper the ability of lactic acid bacteria: Lactobacillus rhamnosus GG (ATCC 53103), Lactobacillus delbrueckii S1 and Lactobacillus plantarum A1 to bind aflatoxin M1 was investigated. Standard strain L. rhamnosus GG (ATCC 53103) and L. delbrueckii S1 can significantly (P<0.05) remove AFM1 (>50 %) compared to L. plantarum A1, which binds AFM1 between 18.7 to 28.7%.

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