Shark's fin - wing cake processing

Process flow

→ wing cake

Raw materials → soaking → winging → classification, packaging → storage and transportation

→Wing pin

Operation points

1. Raw materials: The wing cakes and wing pins are made of various large and small specifications of shark fins as raw materials, and the finished products are economically valuable and valuable products. It is advisable to select dry wings for processing materials. Cut off the edge of the wings of the fish first, and treat the dry wings separately according to the specifications of large, medium, and small scales.

2. Hot sand: Dry water with 1.2% of the weight of the dried shark fins is heated to about 60C. The shark fins are immersed in water and often flipped from bottom to top to make the raw materials heated evenly. Keep the water temperature around 50C and soak for 20 minutes. Use a fingernail or a knife to test the fins. If it is easy to scrape the sand, inject cold water and adjust the water temperature to about 40C. Remove blood, mucus, and impurities from the fins, remove and drain.

3. Scraping sand: The sand is scraped off from the base of the fin to the tip of the fin with a razor blade.

4. Washing: Wash off the sand particles adhered to the surface of the fins with clean water, remove and drain.

5. Soaking: soak the dry wings in cold water for 10-15 hours (change the water halfway), soak it up to the degree of softness like fresh fins: (If you use Ming-wing as raw material, you can avoid the above process.)

6. Take the winged silk: Put the wet wing into the wet water, and then heat up to 75C~80C, boil until the wing meat is soft, the wing silk and the wing bone are split, and the wing silk is easy to peel off. (Generally about 15~20 Minute) Remove, throw in cold water and scrape the fins (blocks) along the base, scrape, scrape, and scrape the other side. Then immerse the ribs (fast) with meaty bones in clean water for several hours, remove them, place them on a hard bamboo sieve, remove the minced meat, take the winged silk, and then repeat Net choice, that is, pure fin

7. Wing cake: first put the cake mold on the bamboo sieve, and then evenly spread the fin silk in the mold, the calendar garden or square cake, the sun to a half dry, into the cabinet smoked sulfur 2 ~ 3 hours , Smoked to white wings, remove the sun and dry to the foot dry, that is, wing cake products; but can also be directly dried without smoked sulfur for semi-finished products.

8. Classification, packaging: According to the shark's fin variety, part, size, quality, graded packaging.

9. Storage and transportation: storage and transportation at normal temperature.

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