Abstract
The expediency of using waste generated during industrial processing of commercial aquatic biological resources is justified. By-products obtained as a result of cutting fish and non-fish objects represent a significant source of biologically valuable substances. The article provides information on the use of secondary raw materials for the production of feed products for farm animals, birds and aquaculture facilities for the production of biologically valuable products, biofuels. The paper presents an assessment of the technological potential of by-products formed during the processing of the most profitable commercial objects – crabs and salmon. Such bu-products include carapace of the cephalothorax, crab entrails, as well as the caviar film remaining during the punching of salmon fish hawks. The assessment of the total chemical composition of the waste from the cutting of the blue crab was carried out. The high biological value of the hepatopancreas and carapace crab proteins was revealed. The general chemical waste from punching of chum salmon hawks is given. The high biological value of these waste lipids was confirmed by evaluating their fatty acid composition. The possibility and necessity of using the studied waste for the production of biologically valuable products is experimentally justified.
Highlights
According to FAO data by 2030, the total volume of aquatic biological resources caught and grown under aquaculture conditions will amount to 200 million tons
Such products include waste generated during the processing of aquatic biological resources: heads, viscera, skin, bones, scales, crustacean shells, etc. Most of these by-products are thrown away as waste. This problem of the development and implementation of complex and wastefree technologies has attracted the attention of scientists, since by-products are a significant source of biologically valuable substances and can be considered as secondary raw materials for the production of food and feed products [1]
By-products formed during the cutting of aquatic biological resources are processed by the method of enzymatic hydrolysis to obtain valuable biologically valuable products [1618]
Summary
According to FAO data by 2030, the total volume of aquatic biological resources caught and grown under aquaculture conditions will amount to 200 million tons. An increase in the processing of aquatic biological resources inevitably leads to an increase in the amount of by-products, which in some cases can reach 70% of the mass of raw materials Such products include waste generated during the processing of aquatic biological resources: heads, viscera, skin, bones, scales, crustacean shells, etc. Various uses of by-products obtained during the processing of aquatic biological resources are determined by their significant technological potential, which is estimated by the general chemical composition, as well as the biological value of proteins, lipids, etc It is precisely the determination of the technological potential of secondary raw materials from processing of aquatic biological resources is an important task in determining the prospects for its rational use. By-products generated during the processing of crabs and salmon are the object of research in order to determine their technological potential to determine the prospects for their further use
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