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1.
Meat Sci ; 122: 97-100, 2016 Dec.
Article in English | MEDLINE | ID: mdl-27501234

ABSTRACT

Hamburgers (beef patties) may be adulterated through the overuse of protein extenders. Among vegetables, soy protein is the best substitute for animal protein. These ingredients help to reduce the cost of producing a final product, and they maximize profits for fraudulent industries. Moreover, the ingestion of soy or other non-meat proteins by allergic individuals may present a health risk. In addition, monitoring by supervisory bodies is hampered by a lack of appropriate analytical methodologies. Within this context, the aim of this study was to determine and quantify the levels of added soy protein by determination of (15)N and (13)C stable isotopes. A total of 100 beef hamburger samples from 10 commercial brands were analyzed. Only three samples of the G brand were within the standards set the Brazilian legislation. The remaining 97 samples from 10 commercial brands contained >4% soy protein; therefore, they are adulterated and not in compliance with the current legislation.


Subject(s)
Carbon Isotopes/analysis , Meat/analysis , Nitrogen Isotopes/analysis , Soybean Proteins/analysis , Animals , Brazil , Cattle , Food Contamination/analysis
2.
Hig. aliment ; 30(252/253): 126-130, 29/02/2016.
Article in Portuguese | LILACS | ID: biblio-846835

ABSTRACT

O hambúrguer é um produto cárneo industrializado e potencial veículo de bactérias produtoras ou não de toxinas nas diversas fases de seu processamento, desde sua origem até as fases de transformação, armazenagem, transporte e distribuição para o consumo. Dentro deste contexto, o objetivo do trabalho foi a avaliação do aspecto higienicossanitário dos hambúrgueres bovinos comercializados no Brasil. Foram analisadas 110 amostras de hambúrgueres de carne bovina de 11 marcas comerciais brasileiras segundo a metodologia microbiológica descrita pela Instrução Normativa n° 62 de 26 de agosto de 2003. Todas as 11 marcas comerciais brasileiras apresentaram contagem bacteriana dentro do limite (5x103 UFC/g) para Coliformes a 45°C, enquanto os valores para Staphylococcus coagulase positiva estavam acima dos padrões permitidos (5x103 UFC/g) na marca H (amostras 1 e 7). As marcas B (amostra 5), D (amostra 5), E (amostra 5) e G (amostra 4) também apresentaram contagens acima do estipulado (3x103 UFC/g) para Clostridium sulfito redutor a 46°C e a amostra 6 da marca L foi positiva para Salmonella Infantis.


Subject(s)
Animals , Cattle , Food Contamination/analysis , Industrialized Foods , Food Handling , Food Microbiology , Meat Products/microbiology , Staphylococcus/isolation & purification , Brazil , Food Samples
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