Pasteurized milk with 1.3% fat was used in the preparation of "prato" cheese, with the addition of the probiotic microorganism Lactobacillus rhamnosus, fibers, and partial substitution of sodium chloride by a 60% potassium lactate solution. The aim of this work was to follow the development of lactic bacteria and the evolution of pH, lactose content and acidity during storage for 90 days, at 6 °C, since not much information about the addition of such a probiotic in "prato" cheese is available. Cheese was prepared by the conventional method, followed by vacuum packing and storage. Analyses were carried out immediately after preparation and after 15, 30, 45, 60, 75 and 90 days of storage. The cheese formulated with the probiotic culture presented higher counts of lactic bacteria, higher pH and lactose content, but lower acidity than the cheese prepared without the probiotic.
The limited consumption of fish is due to a limited availability of products based on this type of meat. Therefore, innovation and development of products that meet consumers’ preferences are essential. The aim of this work was to develop and characterize cooked inlaid sausages prepared with fillet and mechanically separated Nile tilapia (Oreochromis niloticus) meat (MSM). Three sausages types were considered, F1 (100% MSM), F2 (50% MSM, 50% fillet) and F3 (25% MSM, 75% fillet). Microbiological quality of the raw materials and products obtained were within the standard limits. F1 had the lowest protein (34.68%) and the highest lipid (2.88%) contents. F1 and F2 had the highest luminosity L*, which was related to the MSM composition, as the L* was higher as the percentage of MSM increased in the formulation. The shear strength was higher for F2 (18.55 N) and lower for F1 (6.43 N) and differed among sausages types. The F2 sausages presented a better acceptability regarding the sensory attributes evaluated, with acceptation indexes of 88.00, 85.55, and 84.66% for flavour, texture, and odour respectively. This finding indicates that this formulation would be very well accepted in the market if available for commercialisation.
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