In the article, the global tendencies in healthy food on the basis of nutrition
pyramids are considered. The revealed tendencies as well as an analysis of
fish materials classification on fat and protein content allowed to develop
a scheme named "The fish products guide". Such guide will allow to create
a nutrition system individually and to strengthen the demand for fish
products.
The formation of collective immunity, in the context of the COVID-19 pandemic, is directly related to the state of health of each member of the community, therefore, taking care of the health of citizens becomes one of the priority tasks of any state. Recent studies have shown that vitamin D, essentially being a hormone D, strengthens the innate immunity associated with the exchange of zinc in the human body, which, in turn, affects the replication of viruses and accel-erates their excretion. Omega-3 fatty acids have a wide spectrum of biological activity, includ-ing in the treatment of inflammatory processes of various etiologies.
The purpose of this study is to identify general trends affecting changes in the values of the output of products from pollock and other commercial species of cod fish, and also includes a comparative analysis of the nutritional value of products from pollock and cod to provide objective recommendations to consumers of fish products.Methods used: To conduct a comparative analysis, data on the output of frozen products, reference materials and publications on the characteristics of growth, puberty, seasonal changes in biological parameters, fatness coefficient for walleye pollock, northeastern arctic and Baltic cod, Pacific cod were used. In accordance with the “Methodology for determining the consumption rates of raw materials in the production of products from aquatic organisms”, in order to compare the data, the coefficients of consumption of raw materials for the production of products were recalculated.Novelty: a comparative analysis of the change in the values of the output of products from pollock and the main commercial species of cod fish was carried out for various types of cutting in conjunction with the annual dynamics of biological parameters.Result: the general trends of changes in the output of pollock, northeastern arctic, Baltic and Pacific cod were determined. Based on the results of a comparative analysis of the nutritional value of products from pollock and cod, recommendations are presented to consumers of fish products.Practical significance: it has been established that inter-s easonal changes in the output of walleye pollock products average 0,5 %, and the output of Pacific cod changes by 5,4–5,5 %, in northeastern arctic cod the difference in output by season can reach up to 5,7 %, in Baltic cod up to 4,5 %. Cod is more depleted in the pre-spawning period, unlike pollock, so pollock processing is more rational.
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