The global food supply chain faces escalating challenges regarding product authenticity, safety, and the proliferation of sophisticated adulteration techniques. Traditional analytical methods, while robust, often lack the portability and real-time monitoring capabilities required for contemporary high-volume logistics. This article investigates the transformative role of nanotechnology in addressing these deficiencies. By synthesizing recent literature on nanobiosensors, carbon-based nanomaterials, and spectroscopic techniques, this research articulates the shift toward miniaturized, rapid-detection systems for milk, meat, and processed food products. The discussion encompasses the utilization of noble metal nanoparticles for colorimetric detection, the efficacy of halochromic nanofibers in pH sensing, and the application of surface-enhanced Raman spectroscopy (SERS) for chemical profiling. Furthermore, this study evaluates the integration of "electronic nose" technology and chemometrics in identifying foodborne pathogens and chemical contaminants. Theoretical analysis is applied to the challenges of nanomaterial stability, toxicity, and the necessity for standardized regulatory frameworks. The review concludes that while nanotechnology offers unprecedented sensitivity and agility in food quality assurance, future success depends on the harmonization of sensor miniaturization with robust data analytics to ensure consumer trust and global food security.

Nanotechnology, Food Adulteration, Biosensors, Food Safety

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Afzal, A., Mahmood, M. S., Hussain, I., & Akhtar, M. (2011). Adulteration and microbiological quality of milk (A review). Pakistan Journal of Nutrition.

Agarwal, R., Harini, P., Sri Varshni, J. (2025). New Insights on Nano Biosensors Applications for Chemical and Adulterant in Foods. In: Sillu, D., Bey Hing, G., Akhtar, N. (eds) Nanobiosensors for the Food Industry. Smart Nanomaterials Technology. Springer, Singapore. https://doi.org/10.1007/978-981-95-0136-6_9

Alagarasi, A. (2013). Chapter-introduction to nanomaterials.

Bruna, T., Maldonado-Bravo, F., Jara, P., & Caro, N. (2021). Silver nanoparticles and their antibacterial applications. International Journal of Molecular Sciences.

Bülbül, G., et al. (2015). Portable nanoparticle-based sensors for food safety assessment. Sensors.

Esmonde-White, K., Lewis, M., Perilli, T., Della Vedova, T., & Lewis, I. (2022). Raman spectroscopy in analyzing fats and oils in foods. Spectroscopy.

Graphene nano-mesh-Ag-ZnO hybrid paper for sensitive SERS sensing and self-cleaning of organic pollutants. Chemical Engineering Journal (2018).

Gu, D. C., et al. (2019). A novel method for rapid quantitative evaluating formaldehyde in squid based on electronic nose. LWT - Food Science and Technology.

Inbaraj, B. S., et al. (2016). Nanomaterial-based sensors for detection of foodborne bacterial pathogens and toxins as well as pork adulteration in meat products. Journal of Food and Drug Analysis.

Kshetri, T., et al. (2020). Ternary graphene-carbon nanofibers-carbon nanotubes structure for hybrid supercapacitor. Chemical Engineering Journal.

Kumar, N., Seth, R., & Kumar, H. (2014). Colorimetric detection of melamine in milk by citrate-stabilized gold nanoparticles. Analytical Biochemistry.

Lakshminarayana, P., & Kota, S. K. (2016). Screening of adulterants in milk. International Journal of Current Research and Review.

Li, J., Wang, M., Liu, Q., Zhang, Y., & Peng, Z. (2018). Validation of uplc method on the determination of formaldehyde in smoked meat products. International Journal of Food Properties.

López-Campos, G., et al. Detection, identification, and analysis of foodborne pathogens.

Meng, Y., et al. (2016). A simple preparation of Ag@ graphene nanocomposites for surface-enhanced Raman spectroscopy of fluorescent anticancer drug. Chemical Physics Letters.

Moosavy, M. H., Kordasht, H. K., Khatibi, S. A., & Sohrabi, H. (2019). Assessment of the chemical adulteration and hygienic quality of raw cow milk in the northwest of Iran. Quality Assurance and Safety of Crops & Foods.

Mustafa, F., et al. Nanotechnology-based approaches for food sensing and packaging applications.

Nascimento, C. F., Santos, P. M., Pereira-Filho, E. R., & Rocha, F. R. P. (2017). Recent advances on determination of milk adulterants. Food Chemistry.

Neumann, C., Harris, D. M., & Rogers, L. M. (2002). Contribution of animal source foods in improving diet quality and function in children in the developing world. Nutrition Research.

Nikoleli, G.-P. Advanced lipid based biosensors for food analysis.

Pan, M., et al. (2019). Carbon-based nanomaterials in sensors for food safety. Nanomaterials.

Qu, J.-H., et al. (2018). Carbon dots: Principles and their applications in food quality and safety detection. Critical Reviews in Food Science and Nutrition.

Raghavan, V. S., O'Driscoll, B., Bloor, J. M., Li, B., Katare, P., Sethi, J., Gorthi, S. S., & Jenkins, D. (2021). Emerging graphene-based sensors for the detection of food adulterants and toxicants – a review. Food Chemistry.

Roy, M., & Yadav, B. K. (2022). Electronic nose for detection of food adulteration: a review. Journal of Food Science and Technology.

Singh, R., Kumar, N., Mehra, R., Gupta, S., Kumar, H., Amity Institute of Biotechnology, & Amity University Rajasthan Jaipur. (2020b). Nanotechnology-based approaches for detection of food adulterants. In UGC Sponsored National Conference on Food Safety, Nutritional Security and Sustainability.

Tibbetts, G. G., et al. (2007). A review of the fabrication and properties of vapor-grown carbon nanofiber/polymer composites. Composites Science and Technology.

Tonezzer, M., et al. (2019). Predictive gas sensor based on thermal fingerprints from Pt-SnO2 nanowires. Sensors and Actuators B: Chemical.

Tripathy, S., Reddy, M. S., Vanjari, S. R. K., et al. (2019). A Step Towards Miniaturized Milk Adulteration Detection System: Smartphone-Based Accurate pH Sensing Using Electrospun Halochromic Nanofibers. Food Analytical Methods.

Tseng, W., Hsieh, M., Chen, C., Chiu, T., & Tseng, W. (2020). Functionalized gold nanoparticles for sensing of pesticides: A review. Journal of Food and Drug Analysis.

Windarsih, A., Rohman, A., & Irnawati, S. R. (2021). The combination of vibrational spectroscopy and chemometrics for analysis of milk products adulteration. International Journal of Food Science.