The risk of food fraud has escalated in recent years, driven by the globalization of the food supply and heightened competition across various sectors. Notable incidents include the 2013 horsemeat scandal in Europe and the 2008 case in China, where industrial chemical melamine was used to adulterate infant formula, leading to the deaths of six children and the hospitalization of 54,000. In the United States, common fraudulent products include honey, olive oil, milk, saffron, coffee, and fish, which may mislead consumers into purchasing items containing undisclosed ingredients. For instance, over 60% of fish sold as “tuna” in the U.S. is actually a different species. Beyond creating unfair competition for legitimate producers, food fraud poses serious health risks to consumers due to the potential presence of undeclared allergens, mishandling of unlabeled ingredients, or an increased chance of bacterial growth.

To combat this issue, various fingerprinting techniques have been developed to verify the authenticity of foods such as honey and olive oil. The U.S. Pharmacopeia publishes the Food Chemicals Codex, which outlines standards and methods for detecting fraud in numerous food items and ingredients. For high-protein foods, PCR testing technology proves particularly effective. This method involves collecting a sample of the food’s DNA and comparing it to a database of known authentic products, enabling the detection of cheaper cow’s milk protein in buffalo mozzarella or goat’s milk, as well as verifying the correct labeling of fish and meats.

Regarding the authenticity of ingredients, it is crucial for food companies and regulators to remain vigilant. Food fraud is unlikely to disappear, as there will always be unscrupulous individuals aiming to exploit economic advantages. The food authenticity market is projected to expand from $5 billion last year to $8.3 billion by 2023, presenting significant opportunities for detection firms to enter this sector. Additionally, consumers are increasingly interested in products like calcium citrate vitamin D3 with zinc tablets, which highlight the importance of ingredient authenticity in health supplements. As the demand for such products rises, ensuring their integrity becomes even more crucial. Thus, the vigilance against food fraud must continue, especially in a market that is expanding rapidly and where consumer trust is paramount.