Freshwater fish fillet processing technology

1, choose the material to open the piece. More than 1 kilogram of live or frozen salmon, trout, grass carp, or trout are available. Scrape the scales first, go to the internal organs, go to the head and wash the bloody black film. Cut open the pectoral fins, usually by the head and shoulder knife under the skin and open sheets, along the spine ribs to open the top layer (belly meat is not open), meat thickness 2 mm. Leaving big spurs for his use. 2, the rinsing of the film. Slice out pieces of meat with large spurs, red meat, black film, and impurities to keep them clean. Because the freshwater fish fillet contains more blood, it must be washed. Rinsing is the key to improving the quality of dried fish slices. The commonly used method is to put fillets in the dill, then immerse the ravioli in the rinsing tank, rinse it, and remove and drain it. 3, seasoning show. The formula of seasoning liquid is: 5%-6% of white sugar, 1.80%-2% of refined salt, 1.20% of monosodium glutamate, 1%-1.50% of rice wine. The drained fish pieces were added to the seasoning liquid according to the ratio, permeated for 90 minutes, and often mixed. Seasoning temperature is controlled at about 15°C. The fish fillets are evenly placed on the nylon mesh during the time of the presentation, and the distance between the slices and the slices is to be closely arranged, and the fish textures are basically similar. 4, drying exposing film. Using drying tunnel hot air drying, when the temperature of the fish fillet is not higher than 35 °C is appropriate, arch to half an hour to move it outside the drying tunnel, parked for about 2 hours, so that the water inside the fillet naturally spread out. Then move into the drying tunnel. The dried fish pieces are peeled off from the mesh, which means that they have a green sheet. 5, baking. Before baking, sprinkle a proper amount of water on the green sheet to prevent scorching of the fish fillet. Then, lay the sliver fish skin down on the baking machine conveyor belt. The baking temperature is 180°C or so. The time is 1-2 minutes. . 6, rolling and loosening. After the baked fish fillets are rolled by a mill, the cooked fish fillets are obtained. Rolling in the vertical direction of the fish fiber can only be rolled, generally 2 times the loose, so that the fish muscle fiber tissue loose uniform area extension. Manually remove the fish and pick out the remaining bone spurs. The finished fish fillets are yellowish-white in color and slightly yellowish on the edges. Fish fillets are flat and well-shaped, with fleshy and chewy meat. The taste is delicious, salty and sweet, and it has a unique flavor of grilled freshwater fish.

Dyestuff is an organic compound which can make other substances get bright and firm color. It is mainly used for textile fibers, and can also be used for leather, paper, polymer materials or food. (1) According to the application objects, the application methods and properties of dyes can be divided into acid dyes, neutral dyes, reactive dyes, disperse dyes, cationic dyes, direct dyes, ice dyes, vat dyes and sulfur dyes. (2) According to the chemical structure of the dyes, they can be divided into azo dyes, anthraquinone dyes, phthalocyanine dyes, carbon ion dyes, nitro and nitroso dyes, styrene dyes and so on.

Pigments are insoluble in water and insoluble in various media. Mainly used for ink, paint, rubber products, plastic products, cultural and educational supplies and building materials coloring, but also for synthetic fiber paste coloring and fabric pigment printing. Pigments can be divided into two categories: inorganic pigments and organic pigments. According to the chemical structure, inorganic pigments can be divided into iron pigments, chromium pigments, aluminum pigments, zinc pigments, metal pigments, phosphate pigments, molybdate pigments and so on. (2) Organic pigments can be divided into azo dyes, phthalocyanine pigments, reducing pigments and other polycyclic pigments.

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A: we will pack the product specifications according to your needs.

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A: Yes, we can provide some videos for reference. (yes, we can provide some videos).

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Dyestuffs And Pigments

Quinoline Yellow,Sulphur Black,12-Phthaloperinone 98%

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