Abstract
Food safety is a major global concern; the development of methods for detecting contaminants in food ingredients and additives is of paramount importance. Nanotechnology shows excellent potential for improving food quality and safety. Carbon-based quantum dots (CQDs) are nanoparticles (NPs) whose unique properties – including their small size, useful optical properties, low toxicity, and chemical inertness – make them especially suitable for use in this field. Biocompatible CQDs can be produced from waste materials using green synthesis procedures and used in a variety of food safety applications, including detection (e.g., pathogenic bacteria, antibiotics, additives, colorants), bio/nano-sensing, and wastewater disinfection. In this chapter, we will discuss the synthesis, characterization, and properties of CQDs and their applications in food safety and the food industry more broadly.
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