Scholarly record
PROTEIN HYDROLYSATE AS A PRODUCT OF BIOTECHNOLOGICAL PROCESSING OF FISH FILLETING WASTE
Abstract
The main strategy of the world fishery complex is the development and implementation of technologies for deep processing of aquatic biological resources (WBR), including those that allow addressing the issue of filleting waste disposal. Using the existing technologies of processing, we get the amount of filleting waste of up to 80% or ~1.6 million tons of the average annual catch weight in the Russian Federation alone. However, it is known that fish skin and cartilage tissue are highly valuable technological raw materials for obtaining biologically active substances and products based on them, having a wide range of properties. In this regard, a number of technologies for processing fish filleting waste have been developed in order to obtain protein hydrolysates characterized by a high protein content (up to 80.0%), which consists of a complete set of essential and replaceable amino acids, including collagen and aminopolysaccharide chondroitin sulfate. The quality indicators of protein hydrolysates obtained from the skin of fish of the cod and salmon family, as well as from filleting waste (heads, fins, vertebral bones) of cartilaginous fish species, were studied. The obtained data made it possible to recommend using products of biotechnological fish filleting waste processing as a source of amino acids, including collagen, chondroprotective aminopolysaccharides in modeling the formulations of biologically active food additives, multicomponent food systems, and wound dressing intended for the treatment of skin lesions of aquaculture fish. Thus, the biotechnological approach to processing waste from fish processing allows us to increase the level of use of the resource potential of WBR raw materials and to obtain biologically active components, which are the basis for creating innovative food and medical products.
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References7
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