In the rapidly evolving field of food science, nanotechnology-based biosensors are one of the most intriguing techniques for tracking meat freshness. Purine derivatives, especially hypoxanthine and xanthine, are important signs of food going bad, especially in meat and meat products. This article compares the analytical performance parameters of traditional biosensor techniques and nanotechnology-based biosensor techniques that can be used to find purine derivatives in meat samples. In the introduction, we discussed the significance of purine metabolisms as analytes in the field of food science. Traditional methods of analysis and biosensors based on nanotechnology were also briefly explained. A comprehensive section of conventional and nanotechnology-based biosensing techniques is covered in detail, along with their analytical performance parameters (selectivity, sensitivity, linearity, and detection limit) in meat samples. Furthermore, the comparison of the methods above was thoroughly explained. In the last part, the pros and cons of the methods and the future of the nanotechnology-based biosensors that have been created are discussed.
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http://dx.doi.org/10.3390/bios13020217 | DOI Listing |
Food Chem X
January 2025
College of Food Science and Engineering, Shanxi Agricultural University, Taiyuan, Shanxi, China.
Aiming to enable online freshness-monitoring of meat within modified-atmosphere package, we developed a ratiometric array that was fluorescently responsive to volatile organic compounds-ammonia (NH) released by protein decaying. The array was consisted of two 3 mm × 6 mm rectangles precisely and uniformly printed with fluorescein isothiocyanate (FITC) as indicator and rhodamine B (RhB) as internal reference on the filter-paper, respectively. The fluorescence intensity of the array area was calibrated according to Green/Red ratio of the digitalized pixels extracted from images facilitated by a smartphone.
View Article and Find Full Text PDFJ Hazard Mater
January 2025
Department of Chemistry, National Institute of Technology Calicut, Kerala 673601, India. Electronic address:
Hydrazine (NH) and hydrogen sulfide (HS) are environmental contaminants that adversely affect human health. Fluorescence-based detection methods for these analytes utilize their nucleophilicity and reducing ability. Therefore, fluorescent sensors capable of detecting and distinguishing hydrazine and HS are highly beneficial.
View Article and Find Full Text PDFHeliyon
January 2025
Coordination Center for Research in Social Sciences, Faculty of Economics and Business, University of Debrecen, Böszörményi út 138., 4032, Debrecen, Hungary.
In recent months, the European Union has experienced inflation that has not been seen for decades. Inflation and inflation expectations are crucial in economic and purchasing behaviour, as they influence consumption. Hungary had the highest inflation among the Member States of the European Union.
View Article and Find Full Text PDFRapid detection of pork quality has garnered increasing attention due to its status as one of the most widely consumed meats in the world. This study developed an electrochemical impedance combined with sensory evaluation method to achieve real-time imaging and quality assessment of pork. The optimal parameters for pork detection were determined through system performance tests and a Design of Experiment, which included the use of an adjacent excitation pattern, an excitation current of 15 mA at 10 kHz, a detector diameter of 5 cm, and stainless-steel electrodes embedded in the pork.
View Article and Find Full Text PDFFood Chem
January 2025
College of Engineering, China Agricultural University, Beijing 100083, PR China. Electronic address:
Efficient, non-destructive and real-time meat freshness assessment has always been a hot research topic. This paper presents a novel approach for detecting lamb meat freshness using a flexible optoelectronic sensing system combined with an integrated learning model. We developed a flexible impedance sensing system and a flexible optical sensing system through laser direct writing and transfer technology.
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