From eggs to seafood to spices and spirits, testing reveals truth behind labels

An extensive investigation in Australia has revealed significant discrepancies between food product labels and independent scientific testing, casting doubt on the integrity of the nation's food supply. The eight-month probe, which examined thousands of food import inspection records, national recalls, and regulatory data, found numerous instances where products were not as advertised.

The investigation, a collaboration between Four Corners and forensic traceability laboratory Source Certain, tested a range of products including cage-free eggs, Australian seafood, tomato products, spices, and alcohol. These tests exposed vulnerabilities in the systems designed to protect consumers from mislabeled or adulterated goods. Despite the detection of hundreds of contaminated or unsafe food products at the border annually, including rice with arsenic and cheese with listeria, the report indicates that only a fraction of imported food undergoes inspection, and testing for hazardous contaminants has decreased since 2019.

Of particular concern were the results for processed tomatoes, where one in four tested products failed country-of-origin forensic testing or were flagged for further investigation. Leggo's tomato paste products showed particularly poor results, with 80% of tested samples failing origin verification. Source Certain uses stable isotope analysis and trace element analysis to create a unique chemical fingerprint of food products, comparing them against verified reference samples to determine origin. While absolute certainty is not achievable in forensic science, the lab only reports findings when confident in the evidence.

The investigation involved purchasing products from major supermarkets like Coles, Woolworths, and Aldi, as well as independent retailers across Australia. The findings highlight a concerning gap between regulatory oversight and the reality of the food market, potentially leaving consumers paying for products that do not meet their stated claims.