Food Detection - Nanozymes / Alfa Chemistry

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Food Detection

Introduction

Food Detection Introduction

Food detection is crucial to ensure food safety. Chromatographic methods such as gas chromatography and high-performance liquid chromatography are the most commonly used detection technologies in current food safety detection. However, they have the disadvantages of relatively expensive equipment, long time consumption, relatively complex operation, and high professional requirements for technicians. Therefore, the development of simple, accurate, and economical on-site rapid detection technology has become a research hotspot. Among them, nanozymes with high stability, low cost and long storage time have achieved rapid development in the field of food detection. Various metal-based nanozymes, carbon-based nanozymes, etc. have been developed for food detection. In addition, nanozymes also have the characteristics of easy surface modification and controllable functions, providing the possibility for more applications in food detection.

Applications

In recent years, nanozymes have shown broad application prospects in the field of food detection. They can be used to detect pesticides, veterinary drugs, pathogens, and other contaminants in food.

Pesticides detection. Nanozymes can achieve rapid determination of pesticide residues in drinking water, vegetables, juice, American ginseng and other samples. Among them, iron oxide nanozyme was the first one developed for pesticide residue detection. Subsequently, various metal oxide nanozymes such as cerium oxide, germanium dioxide, nickel monoxide, etc. were also developed. In addition, noble metal nanozymes and carbon-based nanozymes have also been used for rapid determination of pesticide residues in food. They can detect methyl paraoxon, malathion, parathion, chlorpyrifos, triazophos, glyphosate, diazinon and many other pesticides.

Veterinary drugs detection. At present, sensitive, economical, reliable and convenient veterinary drug detection methods have been developed based on nanozymes, and have been successfully used in the detection of milk, honey, eggs and other samples. Nanozymes can be used to detect oxytetracycline, tetracycline, doxycycline, chloramphenicol, kanamycin, sulfadimethoxine, streptomycin, etc. in these samples.

Pathogens detection. Nanozymes can also be used for the detection of pathogens in food, such as Escherichia coli, Listeria monocytogenes, Pseudomonas aeruginosa, Enterobacter sakazakii, Shigella dysenteriae, Salmonella and Norovirus. The detection method based on nanozymes is highly sensitive, stable and efficient, and can detect samples such as water, watermelon juice, milk, pork, purple cabbage, etc.

Other contaminants detection. In addition to the above substances, nanozymes can also be used in the detection of other contaminants in food. For example, they are used to detect prohibited additives such as Sudan I in chili powder, chili sauce, ketchup and tomato sauce. They can also be used to detect melamine in milk and milk powder, and clenbuterol and ractopamine in pork samples. In addition, nanozymes can also be used to detect organic pollutants such as catechol, hydroquinone, resorcinol, and p-nitrophenol, as well as inorganic substances such as I^- in tap water, NO₂^- and CN^-.

Alfa Chemistry offers a wide range of nanozymes, which are widely used in food detection, such as detecting pesticides, veterinary drugs, pathogens and other contaminants in food. We will offer the most suitable nanozymes according to customer's detailed requirements. At the same time, we also offer product customization. If you have any questions or needs, please don't hesitate to contact us. Alfa Chemistry will provide you with the most professional service.

Please kindly note that our products and services are for research use only.