Detection of cheese whey in raw milk preserved with bronopol® through high performance liquid chromatography

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Abstract

High performance liquid chromatography was used in order to detect cheese whey in samples of raw milk preserved with Bronopol®. Six samples were collected and divided in 45 aliquots of 40mL. From these, 15 were used as control and stored frozen, 15 were added with Bronopol® and stored at 7°C, and the other 15 were added with Bronopol® and stored at 30°C. In all groups, five levels of cheese whey addition (0, 2, 5, 10, and 20%) were tested. The samples were submitted to high performance liquid chromatography on the 2 nd, 4 th, and 8 th days of storage. A completely random design was used, following the factorial scheme (5×3×3) and the results were compared through the non-parametric Kruskal-Wallis test. There was no difference among the treatments (P>0.05), which allows the conclusion that raw milk preserved with Bronopol® may be used for the determination of cheese whey addition in milk through high performance liquid chromatography.

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APA

Lasmar, M. M., Leite, M. O., Fonseca, L. M., Souza, M. R., Cerqueira, M. M. O. P., Penna, C. F. A. M., … Ferreira, J. M. (2011). Detection of cheese whey in raw milk preserved with bronopol® through high performance liquid chromatography. Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, 63(6), 1553–1558. https://doi.org/10.1590/S0102-09352011000600037

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