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Results from portable and of low cost equipment developed for detection of milk adulterations

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      Abstract

      Abstract This work presents the results of a device, MilkTech, developed to detect milk tampering, based on electrical measurements. The device indicates possible frauds by water, sodium chloride, caustic soda, ethyl alcohol and sodium bicarbonate. The advantages in relation to traditional methods are portability, low cost and detection of mixed frauds. The experiments were conducted in dairy plants at Governador Valadares, in Brazil. The results were compared with cryoscopy and chloride tests. It is demonstrated there is high correlation between MilkTech and Cryoscopy. For instance, the detection limit of the equipment for water addition with the set of analyzed data was 0.78% with precision of 1.1%. Adulterations with sodium chloride, caustic soda, ethyl alcohol and sodium bicarbonate are detected qualitatively, even when added with water, and MilkTech indicates “SUSPECT” milk.

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      Most cited references 14

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      Authentication of milk and milk-based foods by direct analysis in real time ionization–high resolution mass spectrometry (DART–HRMS) technique: A critical assessment

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        Impacts of Milk Fraud on Food Safety and Nutrition with Special Emphasis on Developing Countries

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          Performance study of a ‘constant phase angle based’ impedance sensor to detect milk adulteration

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            Author and article information

            Affiliations
            Governador Valadares MG orgnameInstituto de Ciências da Vida Brazil
            Governador Valadares Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Departamento de Farmácia Brazil
            Juiz de Fora Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Instituto de Ciências Exatas orgdiv2Departamento de Física Brazil
            Juiz de Fora Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Faculdade de Farmácia orgdiv2Departamento de Farmácia Brazil
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Role: ND
            Journal
            cta
            Food Science and Technology
            Food Sci. Technol
            Sociedade Brasileira de Ciência e Tecnologia de Alimentos (Campinas, SP, Brazil )
            0101-2061
            1678-457X
            December 2017
            : 37
            : spe
            : 38-41
            S0101-20612017000700038
            10.1590/1678-457x.06617

            This work is licensed under a Creative Commons Attribution 4.0 International License.

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            Figures: 0, Tables: 0, Equations: 0, References: 14, Pages: 4
            Product
            Product Information: SciELO Brazil

            adulteration, quality control, milk

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