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Fermentation is one of humanity's oldest food preservation methods, but successful fermentation doesn't happen by chance. It depends on creating and maintaining conditions that allow beneficial microorganisms to thrive while limiting undesirable ones. Successful fermentation relies on understanding how key process conditions work together, including: • Salt concentration • Temperature • Time • pH • Water activity, when applicable No single measurement defines a successful fer

Published in recognition of National Fermentation Day, a celebration of one of humanity's oldest and most enduring food preservation methods. Each year, National Fermentation Day gives us an opportunity to celebrate fermented foods and the extraordinary biological processes that create them. It also offers something more important. It gives us a reason to pause and consider how deeply food preservation has shaped human history, cultural identity, scientific understanding, and

When developing a HACCP plan for fermented, dried, cured, ready-to-eat, or shelf-stable foods, three technical parameters frequently enter the conversation: water activity, pH, and salt concentration. Although these factors can work together to limit microbial growth, they measure different physical and chemical properties of food. They are not interchangeable, and documenting one does not necessarily demonstrate control of another. Each must be evaluated within the context o

An Environmental Monitoring Program (EMP) often tells regulatory personnel more about the maturity of a food safety system than almost any other verification activity. Long before reviewing laboratory reports or sanitation records, experienced investigators, auditors, and food safety assessors are evaluating how a facility identifies, monitors, and manages environmental risk. Many food processors think of environmental monitoring as simply collecting a few swabs each month an