The main problems of meat products thermal treatment have been considered and analysed in the paper. Analysis of the existing research papers suggests that the main attention is devoted to the influence of temperature value and time of processing on the physical, chemical, microbiological and organoleptic indicators of the product. The influence on the protein and fat components of raw meat has been described as well as the changes in the meat product structure under the influence of temperature have been pointed out. The important impact of thermal treatment on the changes in proteins at heating, including solubility and hydration of the proteins, has been examined. The paper analyses the microbiota screening before and after thermal treatment. Special attention was paid to the impact of temperature on microbiota as it is an important indicator of a meat product safety. Methods and purpose of thermal treatments as well as the advantages and drawbacks of each method were considered. Formation of tastiness properties of the product depending on the methods and thermal cycling was emphasized. Submitted is the analysis of the factors that influence the product mass losses under the impact of high temperature. The dependence conditions of a meat product quality on the thermal cycle were also analysed. Attention is paid to alternative methods of thermal heating as well as their influence on ready product quality and safety. Substantial contribution of Odesa National Academy of Food Technologies to solving problems of the conventional thermal treatment of meat products was shown, same as a possibility of bringing a product to cooking readiness without application of high temperature. The main content of the paper includes analysis of the methods and thermal treatment cycles existing in the world and proves importance of the temperature control and cooking time which influence safety, quality and yield of the product.
Recent studies have shown that polyunsaturated fatty acids (PUFAs) contained in vegetable oils are of great value to humans [2]. At present, the demand for them is formed both by the manufacturers themselves and by the recommendations of medical institutions and the World Health 1. Introduction Solving the problem of healthy nutrition is the most important and topical national task related to the social stability of society and the health of the population [1].
As a result of theoretical studies on problems of protection and prolongation of storage terms of meat, it was revealed, that one of promising directions is to use protecting coats, based on natural biopolymers. The topicality of this study is in studying film-forming coats, based on natural polysaccharides, because they have high mechanical indices, absence of a smell, taste and are subjected to biological destruction. For regulating mechanical properties, the composition of film-creating coats is added with plasticizers of different origins. The aim of this work is in describing characteristics of food films, based on carrageenan, sodium alginate and plasticizers of different origins. There were mechanical, rheological properties of protecting coats. The comparative characteristic of these properties, depending on an added plasticizer, was realized. The type and mechanisms of interaction of components of the film-forming coat and plasticizers were completely described. The viscosity of the film-forming coat with a plasticizer has less values comparing with other solutions. Adding plasticizers resulted in increasing the film elasticity, but at the same time some increase of the firmness was observed. Film-forming coats with adding a plasticizer had a higher limit of fluidity, so they were firmer than complex film-forming coats without a plasticizer. From the other side, deformation values of film-forming coats without adding a plasticizer were higher than ones of complex film-forming coats with adding a plasticizer, because they were firmer. The study of physical properties of developed film-forming coats, based on hydrocolloids, demonstrated that coats with a plasticizer have more gas permeability. According to the results, obtained at experiments it was established, that the film-forming coat, based on sodium alginate, carrageenan and glycerin, has best mechanical, physical and rheological indices.
The article analyzes protein components of different nature, based on studies. It proves a possibility of their use as components of protein-fat emulsions for modeling rational recipes. It determines the rational physical parameters of the emulsification process that guarantee high-quality homogenous emulsions. It investigates the samples of protein-fat emulsions with using fatty components and partial replacing animal fats for vitaminized blending of vegetable oils.According to the results of the studies of the influence of the recipe components on the quality of protein-fat emulsions and also practical recommendations for protein preparations, there were developed the recipes of multi-component protein-fat emulsions, including vitaminized blended vegetable oils and protein components: "Belkoton А91», «Forward 450», «Supro 500Е». Reports on research projects(2018), «EUREKA: Life Sciences» Number 3 42 Food Science and TechnologyBased on the received experimental data, there were determined the rational parameters of emulsification, namely, speed of the process − 3000 turns/min and total duration of the process -6…10 min and also there was established, that it is expedient to enrich the content of meat pastes with protein-fat emulsions in amount 15…20 %.Thus, the development of recipes of protein-fat emulsions (PFE) is an urgent problem for creating balanced meat products. It will allow to replace fat of the animal origin for vitaminized blended vegetable oils (VBVO) in them, in such a way enriching them with fatty acids and vitamins.
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