Process Validation

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The Penn State Extension is offering two educational events for the food industry in April 2024: a free webinar on April 9 about third-party audits for dairy processors, and an in-person workshop on April 29 in Pennsylvania about small-scale commercial canning.

This article discusses the unique challenges faced by food scientists and manufactures in product development, touching on the food safety and quality challenges during upscaling from initial concept to full production, how risks are managed, and how decisions are made for new ingredient selection, formulation, and new processes.

A recent study evaluated the effect of brine pH, salt level, storage temperature, and use of hydrogen peroxide to kill Listeria monocytogenes and Staphylococcus aureus, salt-tolerant pathogens known to contaminate cheese brine.

A recent study has shown the potential of a bacteriophage cocktail for controlling nontyphoidal Salmonella enterica on chicken, while also emphasizing that, because phage efficacy is dependent on many variables, validating treatments for relevant application conditions is key.

The European Food Safety Authority Panel on Biological Hazards (EFSA BIOHAZ) recently produced a report on the microbiological hazards associated with water used in postharvest handling and processing of fresh and frozen fruits, vegetables, and herbs.

Spoilage bacteria Pseudomonas are able to survive thermal processing methods commonly used in meat production and can grow in refrigerated, vacuum-sealed packaging with little to no oxygen, according to a recent study.

Cleaning program validation that primarily relies on adenosine triphosphate (ATP) monitoring can yield poor results if a few basic strategies are not incorporated into the sampling program to eliminate bias. These include probability sampling, uniformity of the sample, as well as understanding the limitation of the test instrument and the interpretation of results.

There is a growing trend of pathogenic outbreaks being traced to processed fruits, leading to industry players implementing more diligent control processes. This article discusses methodologies and regulations around fruit washing and sanitizing.

The Canadian Food Inspection Agency (CFIA) has published a guidance document for the Pathogen Reduction Monitoring Program (PRMP) for Salmonella and Campylobacter in raw poultry, which provides a means to verify that overall food safety control measures are effective in reducing Salmonella and Campylobacter contamination in raw poultry and poultry products to maximum pathogen limits described by CIFA.

Proving food safety is a monumental challenge, if not an impossibility. However, with the appropriate tools and techniques one can confirm, with a high degree of statistical confidence, the effectiveness of a preventive control for reducing a specified hazard to an acceptable level or concentration that is consistent with achieving public health objectives.