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For validation purposes, characteristic parameters for quantitative detection were estimated according to the PN-EN ISO 16140. Additionally, a comparison between validated real-time PCR method and traditional methods based on the isolation of this pathogen on differential agar media was conducted. The validated method has shown the possibility of detection of 58 copies of ntnh gene (genome equivalents)...
The research has aimed to estimate biocide properties (antibacterial and antifungal) of selected preparations of fresh garlic and garlic processed in household conditions (thermal processing) as well as commercially processed garlic. Fresh garlic was characterised by the strongest inhibiting activity in relation to the growth of all examined microorganism strains. It inhibited the growth of pathogenic...
This work presents the survival rate of the Lactobacillus rhamnosus and Lactobacillus plantarum bacteria in a changing pH medium inhibiting their growth. The bacteria were kept in pH ranging from 2 6, which is a pH of pickled vegetables or stomach. The growth of the bacteria was measured with the use of the method of inoculation onto Petries plates and nephelometric method. The longest survival...
This study investigated the influence of four Lactobacillus acidophilus strains (B, V-74, CH-2 and CH-5) and their mixtures on the viability of Escherichia coli NCTC 8196 and Staphylococcus aureus NCTC 4163 in fermented milk stored at 7°C for 21 days. With no L. acidophilus present, both E. coli and S. aureus remained viable with more than 108 cfu/mL. In the presence of L. acidophilus, no detectable...
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