Prospects of zosterin application in fish products technology
https://doi.org/10.46845/1997-3071-2025-77-84-96
Abstract
The paper presents scientifically substantiated solutions to expand the range of fish culinary products for preventive purposes. The culinary products have been produced on the basis of such fish raw material as pollock, which is the basis of catch in Russia, according to the studied statistical data. The preventive effect on the gastrointestinal tract has been achieved through the use of biologically active additive – zosterin – in concentrations from 1 to 8%, depending on the type of product. Zosterin is polygalactouronan of sea grass Zostera marina, collected in the Far East region of Russia and produced in the Moscow region. Functional properties of zosterin as a structure-forming agent of fish mince used in the production of fish culinary products such as nuggets and muffins have been substantiated. This additive will improve the moisture-holding capacity, and therefore the juiciness of minced meat, as well as the formability of products. In addition, it will increase the stability of products during transportation, as zosterin affects the strength of the product. As a result of the collected data on the study of organoleptic, physicochemical and rheological parameters the following types of products have been proposed: fish nuggets, cooked with the addition of 3% zosterin and gluten-free fish muffins with the ratio of fish and other ingredients, equal to 1:1, and with a concentration of zosterin 5%. The developed types of products can be a source of dietary fiber (content of dietary fiber not less than 3 g per 100 g for solid food products according to the requirements of the Technical Regulations), which will positively affect the normalization of the gastrointestinal tract.
About the Author
Anastasiya V. Chernova
Kaliningrad State Technical University
Russian Federation
Russian Federation
Anastasiya V. Chernova – PhD in Engineering, Associate Professor of Food Technology Department,
Kaliningrad.
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Review
For citations:
Chernova A.V. Prospects of zosterin application in fish products technology. KSTU News. 2025;(77):84-96. (In Russ.) https://doi.org/10.46845/1997-3071-2025-77-84-96
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