The risk of food fraud has escalated in recent years, driven by the globalization of the food supply and heightened competition across various sectors. High-profile incidents, such as the 2013 horsemeat scandal in Europe and the 2008 adulteration of Chinese infant formula with the industrial chemical melamine—which tragically resulted in the deaths of six children and hospitalized 54,000—underscore the severity of the issue. In the United States, common examples of fraudulent foods include honey, olive oil, milk, saffron, coffee, and fish, leading consumers to unknowingly purchase products that may contain misleading ingredients. For instance, over 60% of fish marketed as “tuna” in the U.S. is actually a different species. This not only creates unfair competition for legitimate producers but also jeopardizes consumer health due to the risk of undeclared allergens, mishandled unlabeled ingredients, or increased bacterial growth.

To combat food fraud, various fingerprinting technologies are available to verify the authenticity of items like honey and olive oil. The U.S. Pharmacopeia has developed the Food Chemicals Codex, which provides standards and methods for detecting fraud in a wide range of foods and ingredients. Particularly for high-protein foods, PCR technology proves invaluable; it analyzes a sample of the food’s DNA and compares it against a library of known authentic products. This method can identify the presence of less expensive cow’s milk protein in buffalo mozzarella or goat’s milk, and ensure that fish and meats are accurately labeled.

When it comes to ensuring the authenticity of ingredients, it is crucial for food companies and regulators to remain vigilant. Food fraud is unlikely to disappear, as long as there are dishonest individuals looking to gain an economic edge. As the food authenticity market is projected to grow from $5 billion last year to $8.3 billion by 2023, there are ample opportunities for detection firms to enter this expanding market. Moreover, with the increasing focus on health, ingredients such as calcium citrate and vitamin D, often highlighted for their benefits (like 315 mg of calcium or 6.25 mcg of vitamin D), must be accurately represented to consumers. Ensuring the integrity of these nutrients in food products is essential for consumer trust and safety, emphasizing the ongoing need for rigorous testing and transparency in the food industry.