Integrated processing of collagen-containing fish raw materials
https://doi.org/10.46845/1997-3071-2024-72-81-91
Abstract
Currently, there are more than 50 large and small enterprises in the fish processing industry operating in the Kaliningrad region. Secondary raw materials, which inevitably arise during the technological process, are in most cases disposed of in landfills or supplied to livestock feed in an unprocessed form. The resulting waste (bones, fins, heads, skin and scales) contains a large number of substances important for the human body, such as amino acids, biopolymers, macro- and microelements. The availability of accessible technologies for deep processing of such raw materials is an important factor not only for the development of producers of fish products, but also for protecting the ecology of our country. This article discusses one of these technologies, which is based on the integrated processing of collagen-containing fish raw materials. The paper presents statistical data on the catch of aquatic biological resources in different countries. An analysis of fish objects with the highest catch in the region’s waters, as well as those often processed by enterprises of the Kaliningrad region, is presented. The use of secondary fish waste, namely the integumentary tissues of fish formed during filleting and processing of objects into minced fish, has been justified. The chemical composition of the integumentary tissues of pike perch, cod, and pollock has been assessed. These types of fish are actively caught and/or processed in the Kaliningrad region. A technological scheme for the production of protein and proteinmineral additives by enzymatic hydrolysis has been proposed. The chemical composition of the obtained fermentolysates (protein supplements) has been assessed. Organoleptic characteristics have been described. The results of the study indicate the high potential of fish integumentary tissues and the possibility of their processing to produce new food systems using the enzymatic hydrolysis method.
About the Authors
V. S. Kazakova
Kaliningrad State Technical University
Russian Federation
Russian Federation
Viktoriya S. Kazakova, PhD Student of the Department of Food Biotechnology
Kaliningrad
E. S. Zemlyakova
Kaliningrad State Technical University
Russian Federation
Russian Federation
Evgeniya S. Zemlyakova, PhD in Engineering, Assistant Professor of the Department of Food Biotechnology
Kaliningrad
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Review
For citations:
Kazakova V.S., Zemlyakova E.S. Integrated processing of collagen-containing fish raw materials. KSTU News. 2024;(72):81-91. (In Russ.) https://doi.org/10.46845/1997-3071-2024-72-81-91
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