Method of extracting meat of small crustaceans

Details Method of extracting meat of small crustaceans Method of extracting meat of small crustaceans

1979-05-14

1983-06-14

Abercrombie, Willie G.

17 73, 17 51, A22C 2902

Patent

active

043874851

ABSTRACT:
The essence of the method of extracting or recovering meat of small crustaceans, e.g. antarctic krill, resides in that crustaceans are introduced into an air flow relative to the surface of the crustaceans at a given velocity required for creating a pressure drop across the internal space or cavity of the crustaceans and the air flow. Consequently, the inter-cavity pressure breaks up the shell and destroys the links between the muscular tissue and other components. When the crustaceans proceed along a helical path, the muscular tissue can be completely separated at the final stage of the treatment. The treatment of crustaceans is performed in stages, the air flow velocity relative to the surface of the crustaceans at the first treatment stage being about 500 m/s, at the second stage--from 200 to 300 m/s, and at the third stage--from 100 to 200 m/s. The disclosed method of recovering the meat of crustaceans as a single lump of the muscular tissue without the shell, lipides, gastrointestinal tract and other unwanted matter simplifies and speeds up the meat-extraction process. Productivity and yield of usable product are increased. The meat thus obtained is used for preparing high-quality food products. The method makes it possible to use simple and economically effective technology performable directly by the fishing fleet facilities, for treating antarctic krill which is a new and unorthodox type of sea food.

REFERENCES:
patent: 2360983 (1944-10-01), Scarff
patent: 2978334 (1961-04-01), Lapeyre
patent: 3408686 (1968-11-01), Stephenson
patent: 3688344 (1972-09-01), Carlson
patent: 4133077 (1979-01-01), Jasniewicz et al.
patent: 4148112 (1979-04-01), Marvin

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