Bifidobacterium pseudolongum as an Indicator of Fecal Contamination in Raw Milk Cheese
Author Information
Author(s): Delcenserie Véronique, Gavini Françoise, China Bernard, Daube Georges
Primary Institution: Food Sciences Department, Faculty of Veterinary Medicine, University of Liège
Hypothesis
Can Bifidobacterium pseudolongum effectively indicate animal fecal contamination in raw milk cheese production?
Conclusion
Bifidobacterium pseudolongum is a more reliable indicator of animal fecal contamination than E. coli in raw milk cheese.
Supporting Evidence
- B. pseudolongum was detected in 77% of St-Marcellin samples and 87% of Brie samples.
- B. pseudolongum was found to be more sensitive as an indicator than E. coli.
- The presence of B. pseudolongum indicates contamination from animal origin.
Takeaway
Bifidobacterium pseudolongum is a type of bacteria that helps us know if raw milk cheese is contaminated with animal poop. It's better at this job than E. coli.
Methodology
The study used PCR-RFLP and real-time PCR methods to detect Bifidobacterium pseudolongum in raw milk cheese samples.
Potential Biases
Potential bias in sample collection and analysis methods.
Limitations
The study did not explore the presence of other bifidobacteria species in detail.
Statistical Information
P-Value
p<0.0005
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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