PROSPECTS OF USE OF CRYSTOBILIZING PROTEIN-POLYSACCHARID COMPOSITION IN THE PRODUCTION OF MEAT CUTTED SEMI-FOODS
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Дата
2020
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Назва тому
Видавець
Анотація
One of the technological ways to improve the quality of frozen meat chopped semi-finished products is to use in their composition protein-polysaccharide composite mixtures, which mechanism of cryoprotective action is associated with the formation of amorphous structure of the product, reducing the number of crystallization centers and reducing the activity of water, which is especially important for long-term meat products storage at sub-zero temperatures. For this purpose, the composition of a protein-polysaccharide composition was developed consisting of blood plasma proteins, sodium caseinate, flax fiber and plantain in a ratio of 1:1:2:2. The regularities of the influence of the selected composition on the physicochemical properties of model minced meat systems have been established. The possibility of using this composition to eliminate the disadvantages of low-quality meat raw materials in the semi-finished meat products of has been proved and to counteract the negative effects of their long-term storage in the frozen state. It has been found that the composite mixture of plasma proteins, sodium caseinate, fibers of linen and plantain in the amount of 3% reduces the cryoscopic temperature, decreases the mass fraction of frozen moisture by 1.7% and also reduces water activity by 0.031… 0.067, which helps to extend the shelf life of chopped semi-finished products. Based on the search for the extrema of the mathematical dependence of the amount of frozen water on the duration of storage of minced meat semi-finished products at a temperature of minus 10 ° C was established a rational content of the protein-polysaccharide composition (3%). This allows you to purposefully form and stabilize the specified functional-technological, structural-mechanical and organoleptic characteristics of the finished product. In order to develop recommendations on the use of the protein-polysaccharide composition as a cryoprotectant, the chemical composition and functional-technological properties (FCS) of model minced meat systems with different levels of its use were studied. The technological feasibility of using protein-polysaccharide composition in the amount of 3%, which is an effective cryoprotectant in meat minced systems during low-temperature processing has been proved.