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Home » Authors » Stephanie Nguyen

Stephanie Nguyen

Stephanie Nguyen is working as a principal microbiologist, Food Safety and Microbiology, at Conagra Brands. She also works in the area of thermal processing and is a recognized Process Authority.

Articles

ARTICLES

Determining Microbiological Performance Standards

Determining Microbiological Performance Standards for Food Safety

A 5-log pathogen reduction is generally adopted as a good starting point, but it may not be applicable to all products and processes
Stephanie Nguyen Adam Woodworth
August 15, 2022

There are no set microbiological performance standards for food products, yet demonstrating that hazards are sufficiently controlled is a key component of FDA's Food Safety Modernization Act. For some products, such as canned goods, these standards have been set over many decades of scientific testing. For others, these performance standards have yet to be established, particularly for new, unique ingredients with minimal processing steps. This article explores the history of performance standards and provides guidance on how to establish such standards where currently lacking.


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potato chips on a conveyor
Processing

Justification of Run Time: How to Determine and How to Extend

Stephanie Nguyen Nancy Dobmeier CQA, CHA David Albrecht
February 26, 2021

How long do your production lines run before executing a sanitation event and do you have the necessary documentation to justify the run times?



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