Application of quantum cascade laser to rapid detection of food adulteration

Luca Fiorani; Florinda Artuso; Isabella Giardina; Marcello Nuvoli; Fabio Pollastrone

doi:10.1117/12.2605801

2 December 2021 Application of quantum cascade laser to rapid detection of food adulteration

Luca Fiorani, Florinda Artuso, Isabella Giardina, Marcello Nuvoli, Fabio Pollastrone

Proceedings Volume 12086, XV International Conference on Pulsed Lasers and Laser Applications; 120861R (2021) https://doi.org/10.1117/12.2605801
Event: XV International Conference on Pulsed Lasers and Laser Applications, 2021, Tomsk, Russian Federation

Abstract

Human health is seriously endangered by economically motivated adulterations of food stuffs, in general, and fruit juices, in particular. Additional advances are needed in trustworthy techniques for the fast recognition of fraudulent ingredients in the supply chain. After more than a decade of application of laser photoacoustic spectroscopy (LPAS) to food fraud detection with CO₂ lasers, the Diagnostic and Metrology Laboratory of ENEA realized a portable and easy system based on a quantum cascade laser (QCL). Juice adulteration was used as a case study to evaluate its performances. Chemometrics tools demonstrated that the instrument was able to sense in a few minutes two adulterated juices.

Citation Download Citation

Luca Fiorani, Florinda Artuso, Isabella Giardina, Marcello Nuvoli, and Fabio Pollastrone "Application of quantum cascade laser to rapid detection of food adulteration", Proc. SPIE 12086, XV International Conference on Pulsed Lasers and Laser Applications, 120861R (2 December 2021); https://doi.org/10.1117/12.2605801

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KEYWORDS

Glucose

Quantum cascade lasers

Photoacoustic spectroscopy

Principal component analysis

Laser spectroscopy

Spectroscopy

Safety

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