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Pinpointing Post-Pasteurization Contamination
13525 East Hanna Avenue, Indianapolis, Indiana 46227.
Journal of Food Protection
|March 3, 2019
Summary
Post-pasteurization recontamination, often from fillers, limits product shelf-life. Daily sampling and incubation can identify contamination sources, improving food safety.
Area of Science:
- Food Science
- Microbiology
- Dairy Science
Background:
- Post-pasteurization recontamination significantly impacts product shelf-life.
- Fillers are identified as a primary source of microbial contamination in pasteurized products.
Purpose of the Study:
- To identify the primary source of post-pasteurization recontamination.
- To propose a method for detecting contamination originating from fillers.
Main Methods:
- Daily sampling of filler material.
- Incubation of samples at 7°C (45°F) for 7 days.
- Microbial plating to detect contamination.
Main Results:
- Fillers were confirmed as a significant source of recontamination.
- The proposed sampling and incubation method effectively pinpointed contamination.
Conclusions:
- Regular monitoring of fillers is crucial for maintaining product quality and shelf-life.
- Implementing this detection method can help prevent microbial spoilage and ensure food safety.
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