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Analysis of milk adulteration by means of a potentiometric electronic tongue

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Resumo:Milk adulteration presents substantial challenges in the food industry, prompting the need for efficient de- tection methods. This study introduces a potentiometric electronic tongue for rapid and accurate detection of milk adulteration. Using polymeric membranes with various integrated additives, the electronic tongue distinguished between different milk types and detected common adul- terants. Experimental results demonstrated its effective- ness in discriminating raw, pasteurized, and medicated cow milk, as well as goat milk. Moreover, it success- fully identified adulterants, such as water and cow milk, in goat milk samples. Chemometric analyses, including principal component analysis and partial least squares regression, correlated sensor responses with traditional milk parameters such as fat, protein, and lactose content with an R 2 of up to 0.97 on the validation step. Strong correlations validated the electronic tongue’s potential for rapid milk quality assessment. This innovative ap- proach offers a cost-effective, reliable solution for de- tecting milk adulteration in contrast to current techniques that require numerous time-consuming experiments.
Autores principais:Perez-Gonzalez, Clara
Outros Autores:Garcia-Hernandez, Celia; Garcia-Cabezon, Cristina; Rodriguez-Mendez, M.L.; Dias, L.G.; Martin-Pedrosa, Fernando
Assunto:Bacteria C/N ratio Compost Fungi Phytotoxicity
Ano:2024
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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