1, first soak the dried cuttlefish in cold water for about 3 hours, and it will become soft.
2. Prepare lye after the cuttlefish is soaked. Put 500g of soda ash (sodium carbonate) and 0/50g of quicklime/kloc (preferably good quality block ash) into pottery, add 3-4kg of boiling water, and stir vigorously to fully dissolve alkali and lime.
3. Add 3-4 kilograms of cold water, and after it cools and precipitates, remove the sediment, remove the soaked dried cuttlefish from the clear water and immerse it in the prepared alkali solution.
note:
1, the concentration of alkaline water depends on the size of dried cuttlefish and the temperature. The dried cuttlefish is big, the temperature is low, the alkaline water should be strong, the dried cuttlefish is small, and the alkaline water should be weak when the temperature is high.
2. Dried cuttlefish can swell up after being soaked in alkaline water for about 3 hours. The time should be controlled according to the swelling situation of cuttlefish. If the color is even and fresh, it means that it is full, and it should be removed immediately. If the hair is not ready, it can be soaked for some time, but the soaking time should not be too long, otherwise, the cuttlefish will be corroded by alkali, and the skin will be broken and the meat will be rotten, which will affect the quality.
3, after hair, immediately put it in clear water for repeated soaking and bleaching, and all the alkali entering the fish body will be removed, and the fish body will swell up and show a bright flesh red. Touch it with your hands, which is firm and elastic, and you can put it in clear water for later use.
Extended data:
Dried cuttlefish can be said to be both a kind of food and a kind of Chinese herbal medicine, because the medicinal value of dried cuttlefish is very high, which was discovered after careful study by many Chinese medicine experts. Therefore, in our real life, in addition to normal consumption, dried cuttlefish can also be used as medicine. The effects of dried cuttlefish are:
1, cuttlefish is a delicious seafood, and it is rich in nutrition. Every hundred grams of cuttlefish contains protein 1 3g, fat 0.7g, carbohydrate1.4g, calories 64kcal, calcium14mg, iron 0.6mg and thiamine 0.0/kl. The polypeptide contained in it has anti-virus and anti-radiation effects.
2. Cuttlefish is rich in protein, and its shell contains calcium carbonate, cutin, mucilage, and a small amount of sodium chloride, calcium phosphate and magnesium salt.
3. The ink in cuttlefish contains a mucopolysaccharide, which has been proved to have a certain anticancer effect on mice.
References:
Baidu encyclopedia-dried cuttlefish