Pay attention before preservation, the bought clams must be alive, and fresh clams are the foundation of everything.

1. Add some salt to the water, soak it in clams, cover it with plastic bags, poke a few holes, and put it in the fresh-keeping layer of the refrigerator, so it can be preserved for about 2-3 days.

2. Put the clams in a nylon net bag, and tie the bag mouth tightly until there is no gap between the clams, and press it as tightly as possible. Then put it into a foam box, put ice cubes with a thickness of 10-20 cm on it, and cover the thickest part with a cover or transparent film.

3. Take a container and add a little water, as long as it can keep wet, then put it in, cover it with a wet paper towel or towel, and put it in the refrigerator for refrigeration. This method should always check whether the towel is moist.

4. Put the clam into a plastic bag or a fresh-keeping bag, tie the bag tightly, fork several air holes in the bag, put it in a container, and put it in the refrigerator for cold storage.

Huajia, also called Meretrix meretrix, is not only delicious, but also nutritious. It is a kind of seafood with low calorie, high protein and rich trace elements. Traditional Chinese medicine believes that it has the effects of nourishing yin, moistening dryness, inducing diuresis to reduce swelling, softening hardness and resolving phlegm, and can be eaten by the general population. People with spleen and stomach deficiency and cold should not eat more, and their cholesterol content is lower than that of ordinary shellfish, which is 63 mg/100 g.

This kind of food has high nutritional value. Every100g of meat contains protein10g, fat1.2g and carbohydrate 2.5g. In addition, it also contains a large number of trace elements, including iodine and minerals and vitamins such as calcium, phosphorus and iron, while the carapace contains calcium carbonate and calcium phosphate, as well as magnesium silicate and iodine. Modern medical research has found that there is a substance called Meretrix meretrix in the flower nail, which has the anti-cancer effect of inhibiting tumor growth.