FISH WASTES PROTEIN CONCENTRATE PRODUCTION METHOD Russian patent published in 2013 - IPC A23J1/04 A23L1/325 

FIELD: food industry.

SUBSTANCE: invention relates to food and processing industry and may be used to manufacture products enriched with protein. Secondary wastes of fish-processing enterprises are milled, homogenised, extracted in an alkaline environment at pH 9.0-11.0 and centrifuged. One performs isoelectric sedimentation, repeated centrifugation and drying to produce a protein concentrate.

EFFECT: invention allows to improve the technological process allowing to maximally separate the protein component, extend the choice of products used (from fishes of low-value for food industry to wastes), manufacture a protein product of animal origin with increased content of protein (in an amount of 70 - 90%) and reduced content of fat (in an amount of less than 2%) capable to substitute vegetal soya products in food products formulae; additionally, the invention allows to create a low-waste production.

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