AAS Quiz
Test your knowledge with this free 20-question AAS quiz from Food Analysis & Analytical Chemistry — part of…
Staphylococcus aureus in Dairy: Temperature Abuse Case Study
Staphylococcus aureus doesn’t survive pasteurization — but the enterotoxin it leaves behind does. That single fact turned a routine summer afternoon in a fictional regional dairy into a product hold, a recall drill, and a permanent change to how the plant handles its coolers. Background BlueRidge Creamery — a fictional Grade A fluid milk and […]
Environmental Monitoring Programs: Finding Pathogens Before They Find You
By GIFSQ Food Safety Team | October 2026 Finished product testing catches problems too late. By the time a pathogen shows up in a sample of packaged product, that lot has already been made, sealed, palletized, and very possibly shipped. An environmental monitoring program (EMP) exists for one reason: to find pathogens in the plant […]
Campylobacter in Poultry: Processing Plant Contamination Investigation
When a poultry processing plant’s pre-chill rinse water starts running warm, the consequences show up in the lab three days later — and in customers’ kitchens a week after that. This reconstruction walks through how one fictional Midwestern broiler facility traced a Campylobacter spike back to a cascade of small failures, and what a robust […]
How to Build a Food Safety Culture That Actually Works
Why Programs Fail While Paperwork Passes Most food plants can show an auditor a binder full of procedures and still ship product from a culture where nobody reports problems. The paperwork passes; the behavior fails. That gap has a name, and regulators now use it openly: food safety culture. It means the shared values, beliefs, […]
E. coli O157:H7 in Leafy Greens: Farm-to-Fork Investigation
Background Over six weeks in late summer, 89 people across seven states developed bloody diarrhoea and severe abdominal cramps. Twenty-one were hospitalised; six developed haemolytic uraemic syndrome (HUS), a life-threatening kidney complication. The pathogen was E. coli O157:H7, and the vehicle — identified through patient interviews and shopper-card records — was bagged romaine lettuce from […]
Water Activity vs Moisture Content: Why the Difference Matters
Two Numbers That Describe Completely Different Things A product lab report shows moisture content of 40% and water activity of 0.85. Another shows moisture of 15% and water activity of 0.85. Same water activity, wildly different moisture — and it is the water activity number that determines whether microbes can grow. This confuses newcomers to […]
Undeclared Allergens in Bakery Products: Labeling Failure Analysis
Background A 9-year-old with a known peanut allergy ate a chocolate-chip muffin from a school canteen, went into anaphylaxis within minutes, and was hospitalised. The muffin was labelled “chocolate chip muffin” with an ingredient list that mentioned no peanut. The child’s parents had checked the label — it was clean. The peanut got there anyway. […]
The True Cost of a Food Recall: Beyond the Headlines
The Number on the Press Release Is the Smallest One When a recall hits the news, the figure quoted is usually the number of units pulled or the number of illnesses. Rarely mentioned is the cost — and when it is, the estimate almost always understates it. Industry analyses have repeatedly put the direct cost […]
Norovirus Outbreak Linked to Imported Raspberries
Background In early spring, a university town recorded a sharp spike in acute gastroenteritis — 240 illnesses in ten days, all with the classic norovirus signature: sudden vomiting, diarrhoea, cramps, onset 12 to 48 hours after exposure. Interviews pointed at a single common exposure: frozen raspberries served in smoothies at campus cafés and a regional […]