Parâmetros de qualidade do leite cru resfriado comercializado no Sudoeste do Paraná

Abstract

Milk is a homogeneous and nutritious mixture of fat, protein, minerals and vitamins. Milk components provide health benefits and functional featuring high biological value. In constant search for improvement in the quality, competitiveness and appropriateness of legislation, Brazilian producers are going through a process of adaptation of Normative Instruction No. 62/2011 (IN 62/2011) which sets new standards for the improvement of milk quality. The present study aimed to evaluate the quality parameters of samples refrigerated raw milk marketed in Meso Southwestern Paraná, regarding the adequacy of existing legislation . It was observed that 91,52% of the samples met the minimum standards established by the legislation of fat, 89,34% of the samples met the minimum content of protein. Lactose does not have a minimum value established by IN 62/2011, but following indications in the literature as content to be considered normal, 96,31% of the samples had minimal lactose content. For total solids, 86,81% of the samples were within the standards of quality , but only 54,68% of the samples met the minimum value of 8,4% defatted dry extract. Microbiological parameters presented that 59,95% of the samples evaluated somatic cells and 25,50% of samples evaluated for total bacterial counts presented scores within the limits established by law. The study indicates that producers need to adopt measures to improve the quality of milk, especially in determining the hygienic quality of milk factor, CBT, and who knows, the implementation of the payment program for milk quality in the study area, with views increasing the inclusion of dairy products in the international market and offer a higher quality product to the consumer.