Jiawen Liu , Di Wu , Yongning Wu , Yiheng Shi , Wanqi Liu , Zhiwei Sun , Guoliang Li
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Recent advances in optical sensors and probes for the detection of freshness in food samples: A comprehensive review (2020–2023)
With the continuous expansion of the global population, securing adequate high-quality food suppliers has become paramount. The process of food spoilage not only produces considerable food waste but also has negative effects on the human body.Therefore, developing effective real-time methods for monitoring food freshness is crucial. This article categorizes and discusses the current state of development of optical sensors using natural colorants, small fluorescent probes, and nanosensing materials between 2020 and 2023. The article also reviews the strengths and weaknesses of these detection methodologies and provides a summary of the current research on the fabrication of portable devices. Emerging technologies related to monitoring of food freshness, such as intelligent device-based detection methods, functionally integrated smart packaging, and sensing arrays, are also discussed. Finally, this article highlights the existing research gaps and proposes directions for future research in food-freshness detection.
期刊介绍:
TrAC publishes succinct and critical overviews of recent advancements in analytical chemistry, designed to assist analytical chemists and other users of analytical techniques. These reviews offer excellent, up-to-date, and timely coverage of various topics within analytical chemistry. Encompassing areas such as analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring, these critical reviews provide comprehensive insights for practitioners in the field.