The paper presents research data justifying the relevance of developing a ready-to-eat food product in the form of freeze-dried snacks based on a homogenized fish-vegetable system. Recipe formulations are substantiated and the technology of four freeze-dried snacks using fish and vegetable raw materials is developed, which allows to obtain a high-protein product containing polyunsaturated fatty acids, dietary fiber and minerals. Studies of the quality indicators of the developed finished products made it possible to establish its high nutritional, in particular biological value: snacks in their composition contain dietary fiber), in particular fiber (7.05-23.77%) and inulin (4.35%), polyunsaturated fatty acids of the omega - 3.6 group (ω-3: 45.52-49.43% and ω-6: 5.48-6.98% of the total fatty acids), as well as trace elements such as iodine (0.021%), which allows us to recommend them as functional foods for the diet of the population.
Malnutrition problems are acute in all countries and are common to all socio-economic groups. Improper nutrition is the cause of cardiovascular diseases, diabetes, gout, osteoporosis, obesity and other non-infectious (nutritional) diseases. Aquatic bioresources, especially underutilized fishing objects, are sources of a number of irreplaceable nutrients, which makes them useful for creating functional and specialized foods. So stuffing on the basis of muscle tissue makrouruz and mackerel is a promising raw material for the production of pasty food products. Based on regulatory documents and methodological recommendations in the field of specialized, functional and therapeutic nutrition, a scientifically-based selection of functional food ingredients was carried out to create a pasty food product — pate. As a result of the simulation, seven formulations of pâtés were developed on the basis of the minced meat of makruirs and scad. Developed pates for a number of indicators correspond to the products recommended as therapeutic nutrition in hospitals.
When agarophytes are processed, 16-89% algal waste (AW) is formed. Due to the high content of minerals in this waste and the presence of proteins that are resistant to the action of proteolytic enzymes, such AW is mainly used in the production of feed for farm animals. The significant content of polysaccharides in dry AW indicates that it could be used as a raw material for the production of dietary fiber (DF). Due to the difference in the chemical composition of AW depending on the type of red algae, different approaches for its deproteinization have been used. Thus, a 3% alkali solution should be used for the deproteinization of algal waste from the red algae Gracilaria, a 0.5% alkali solution for GelidiumAW, and a 1% sodium carbonate solution for A. plicataAW.The duration of the deproteinization process is 30 min at a temperature of 97±2 ∘C for all types of AW. In this study, functional and technological solutions of DF from AW were developed. The results showed that their water binding capacity was 6-22 g of water per 1 g of the preparation, the fat binding capacity was 1.6-3.3 g of fat per 1 g of the preparation, and the swelling capacity was 46-312% depending on the type of red algae.The obtained DF was used in the production of minced fish food products of the ‘fish sticks’ type, based on minced fish and consisting of cod and pink salmon. The study of the chemical composition and calorie content of the developed food product showed the possibility of its use in dietary nutrition. Keywords: red algae, algal waste, deproteinization, dietary fiber
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