This study aimed to evaluate the physicochemical and microbiological characteristics of six typical Brazilian cheeses (bovine milk coalho, goat milk coalho, fresh ricotta, manteiga, fresh Minas, and Padrão Minas). Padrão Minas cheese presented high acidity and the highest contents of protein, fat, and ash, while Ricotta cheese presented the lowest contents of protein, fat, and ash. Bovine milk coalho and Minas fresh cheeses were characterized as source of zinc. Manteiga cheese was characterized by the yellow color (higher b* values). Goat milk coalho cheese was characterized by the white color (higher L* values) and presented the highest concentration of minerals (potassium, iron, magnesium, calcium, manganese, and phosphorus). Part of the typical Brazilian cheeses did not agree with the legislation for moisture (5.9%) and fat in the dry matter (11.8%) classifications, as well as, did not have adequate concentrations of protein (65.4%) and fat (44.9%) stated in the label, being the non-conformity dependent on the cheese type. Furthermore, 30% of the cheeses (30%) disagreed with the microbiological Brazilian legislation, as they presented coliforms and/or coagulase-positive Staphylococcus counts above the limits. It can be concluded that the Brazilian cheeses are nutritive, but the microbial quality and nutritional labels need improvement.
Known as an animal of multiple functions, the Equus asinus has always been used for various purposes, such as entertainment, horseback riding, means of transport, agricultural traction and dairy farming. Although, donkeys are associated with a vast heritage of social, cultural, economic and ecological importance, they have lost their importance in the activities of rural properties, both in the developed economies of European countries and in the Northeast region of Brazil. Specific studies of production systems aimed rational exploitation of the donkey species in Brazil do not exist. New perspectives for the use of donkey in the Brazilian semiarid region through the dairy industry has aroused scientific interest and the interest of investors. The donkey, allied to the low production costs and rusticity of the species, has the capacity to contribute to the economy with products of high biological value and therapeutic characteristics. Thus, this review provided a broad view of the donkey bred in the Northeast of Brazil, observing its characteristics and relevance for the region. The benefits of donkey milk and the need to promote the production and marketing of this milk in the dairy production chain will also be discussed.
In this research communication we describe the composition of fatty acids (FA) present in the milk of the Nordestina donkey breed, and how they differ during lactation. Milk samples were taken from 24 multiparous lactating Nordestina donkeys that grazed the Caatinga, comprising 5 animals at each of around 30, 60 and 90 d in milk (DIM) and a further 9 animals ranging from 120 to 180 DIM. The milk fat content was analysed by mid infrared spectroscopy and the FA profile by gas chromatography. The milk fat percentage ranged from 0.45 to 0.61%. The main FA found in milk were 16:0 and 18:1c9. These did not differ among DIM classes and comprised 23% and 25% of total FA. Notably, the α-Linolenic acid (18:3 n-3) was the third most abundant FA and differed (P < 0.05) with DIM, being lowest in the 30 and 60 DIM samples (around 10.7% of total FA) and highest in the 60 and 90 DIM classes (around 14.6% of total FA). The low-fat content and the FA profile of the donkey milk gives it potential as a functional ingredient, which could help to preserve the commercial viability of the Nordestina donkey breed.
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