| Summary: | <span>Carbon quantum dots (CQDs) with stable physicochemical properties are one of the<br />emerging carbon nanomaterials that have been studied in recent years. In addition to the excellent<br />optical properties such as photoluminescence, photobleaching resistance and light stability, this<br />material also has favorable advantages of good biocompatibility and easy functionalization, which<br />make it an ideal raw material for constructing sensing equipment. In addition, CQDs can combined<br />with other kinds of materials to form the nanostructured composites with unique properties, which<br />provides new insights and ideas for the research of many fields. In the field of food analysis,<br />emerging CQDs have been deeply studied in food composition analysis, detection and monitoring<br />trace harmful substances and made remarkable research progress. This article introduces and<br />compares the various methods for CQDs preparation and reviews its related sensing applications<br />as a new material in food components analysis and food safety inspection in recent years. It is<br />expected to provide a significant guidance for the further study of CQDs in the field of food<br />analysis and detection.</span> <br /> <span>CQDs; synthesis; fluorescent sensing; food analysis</span>
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