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- W4316466897 endingPage "402" @default.
- W4316466897 startingPage "402" @default.
- W4316466897 abstract "Laser-induced breakdown spectroscopy (LIBS) is an atomic-emission spectroscopy technique that employs a focused laser beam to produce microplasma. Although LIBS was designed for applications in the field of materials science, it has lately been proposed as a method for the compositional analysis of agricultural goods. We deployed commercial handheld LIBS equipment to illustrate the performance of this promising optical technology in the context of food authentication, as the growing incidence of food fraud necessitates the development of novel portable methods for detection. We focused on regional agricultural commodities such as European Alpine-style cheeses, coffee, spices, balsamic vinegar, and vanilla extracts. Liquid examples, including seven balsamic vinegar products and six representatives of vanilla extract, were measured on a nitrocellulose membrane. No sample preparation was required for solid foods, which consisted of seven brands of coffee beans, sixteen varieties of Alpine-style cheeses, and eight different spices. The pre-processed and standardized LIBS spectra were used to train and test the elastic net-regularized multinomial classifier. The performance of the portable and benchtop LIBS systems was compared and described. The results indicate that field-deployable, portable LIBS devices provide a robust, accurate, and simple-to-use platform for agricultural product verification that requires minimal sample preparation, if any." @default.
- W4316466897 created "2023-01-16" @default.
- W4316466897 creator A5006226023 @default.
- W4316466897 creator A5026115858 @default.
- W4316466897 creator A5034713503 @default.
- W4316466897 creator A5041737084 @default.
- W4316466897 creator A5051596790 @default.
- W4316466897 creator A5060590829 @default.
- W4316466897 creator A5087059476 @default.
- W4316466897 date "2023-01-14" @default.
- W4316466897 modified "2023-09-30" @default.
- W4316466897 title "Rapid Food Authentication Using a Portable Laser-Induced Breakdown Spectroscopy System" @default.
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