Use este identificador para citar ou linkar para este item: http://hdl.handle.net/1843/51825
Tipo: Artigo de Periódico
Título: Detection of acid neutralizers in fraudulent milk: full validation of a classical qualitative method
Autor(es): Carina de Souza Gondim
Marina de Paula Penna e Palhares
Pedro Paulo Borges Dos Santos
Roberto Cesar Santos de Sousa
Roberto Gonçalves Junqueira
Scheilla Vitorino Carvalho de Souza
Resumo: Neutralization with alkaline compounds is one of the most common adulterations in milk. The rosolic acid method is a classical test widely used in different countries for detection of neutralizers in milk. The official and a modified version were validated in a single laboratory validation process considering four adulterants: sodium bicarbonate(BI), sodium carbonate(CA), sodium hydroxide(HY) and sodium citrate(CI). The modified version, which presented better performance was selected for interlaboratory validation. In this process, samples of raw milk with acidities of 0.19% were neutralized with different concentrations of BI, CA, HY and C and tested for homogeneity and stability. Eight laboratories, which represented different sectors of the milk production chain, received and analysed these samples. The collaborative trial results confirmed the method performance, although sensitivity and precision were inferior to those obtained in the intralaboratory process, demonstrating its applications and limitations.
Assunto: Leite
Adulteração
Neutralizantes
Validação de métodos
Idioma: eng
País: Brasil
Editor: Universidade Federal de Minas Gerais
Sigla da Instituição: UFMG
Departamento: FAR - DEPARTAMENTO DE ALIMENTOS
Tipo de Acesso: Acesso Aberto
Identificador DOI: https://doi.org/10.21577/0100-4042.20170703
URI: http://hdl.handle.net/1843/51825
Data do documento: 2021
metadata.dc.url.externa: https://www.scielo.br/j/qn/a/595kDhJ4jPyWgX9RZvdmXpB/
metadata.dc.relation.ispartof: Química Nova
Aparece nas coleções:Artigo de Periódico

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