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What nutrition does clam have?
The composition and proportion of amino acids in clam shell are reasonable; Low fat content and high unsaturated fatty acids. It contains calcium, magnesium, iron, zinc and other essential trace elements.

Clam meat contains cholesterol-lowering agents 7- cholesterol and 24- methylene cholesterol, which can lower serum cholesterol. They have the unique functions of inhibiting liver cholesterol synthesis and accelerating cholesterol excretion, thus reducing cholesterol in the body.

They are more effective than sitosterol, a commonly used cholesterol-lowering drug. Chinese medicine believes that clam meat has the effects of nourishing yin and improving eyesight, softening and resolving phlegm, and everyone can eat it. People with high cholesterol and hyperlipidemia, especially those with goiter and bronchitis.

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Method for selecting Meretrix meretrix:

Choose clams that breathe with their mouths open. When buying flower clams, you should choose to open your mouth and breathe. This kind of live clam tastes more delicious, and try to stretch the whole body to spit sand more evenly.

Don't choose the open shell. Some clams have opened their shells, which means they are dead. Such clams have a foul smell after frying, which affects the taste. So pay special attention when choosing.

The clams in the supermarket are better than those in the vendors. By comparison, it is found that the clams in the supermarket are more expensive than those sold by vendors, but they taste good. The main reason is that salt water is used in the supermarket and oxygen is constantly supplied, so the clams in the vendors have died for a long time.

Choose a bigger clam. Giant mussels have more meat and taste more delicious. So try to choose a bigger one.

Nutritional value of other common shellfish;

1, oyster

Oysters, also known as oysters, are also known as oysters. Fresh oyster meat is blue and white, and its texture is soft and tender. Europeans call oysters "milk in the sea" and ancient Romans call them "sacred fish". It is the only shellfish that can be eaten raw.

Oyster is one of the larger oyster species, which generally grows at the intersection of rivers and the sea, on the shallow sea in the inner bay, half salty and half light. Due to the limitation of growth conditions, it is less than other varieties in quantity, so its economic status is also relatively high.

Oysters are nutritious, high in protein and low in fat. It contains eight essential amino acids, as well as glycogen, taurine, glutathione, vitamins and minerals. The main component of oyster "glycogen" can quickly replenish and restore physical strength and improve the body's immunity; Calcium carbonate contained in it has astringent, antacid and analgesic effects, which is beneficial to the healing of gastric and duodenal ulcers.

Oysters are large and full, with light yellow color, bright color and uniform size, which is the most suitable top grade in winter and spring. So there is a western proverb: "Don't eat oysters in the month without the letter R."

The so-called "months without the letter R" here refers to May, June, July and August in English. After September, a large amount of glycogen was stored in oysters. From 10 to March of the following year, betaine in oysters is also increasing, so the taste is more delicious.

Step 2: razor clam

The clam, a mollusk, is a bivalve mollusk of clams, which lives in the ocean and is a common seafood ingredient. The shell of SINONOVACULA constricta is crisp and thin, long and flat, and there is an inclined groove from the top of the shell to the abdominal edge, so it is named SINONOVACULA constricta.

Squid grows fast, is big, tender and fat, white in color and delicious. In Minnan culture, razor clam is called ginseng in the sea. Pork is rich in nutrients such as protein, calcium, iron, selenium, vitamin A, etc. It tastes delicious and has high nutritional value.

When selecting, we should pay attention to the high-quality razor clam, which is large and complete, full of meat, light yellow in color, dry in texture, slightly salty and free of sediment impurities. After the razor clam is bought home, it needs to be soaked in clear water for half a day to a day. If it needs to be preserved, it should be put into the freezer to ensure its freshness before death.

3. Scorpion

Common species of cockroaches are Scapharca subcrenata, Scapharca subcrenata, Scapharca subcrenata and so on. Clam meat is fresh and tender, and the ancients named it "Gan" because of its sweet taste. Guangdong coastal area and Chaoshan area are the main producing areas of Meretrix meretrix. Every lunar new year's eve, every household has a plate of silver clams as usual. Men, women and children should eat clams. Clams are full of shells and sound like money, which means wishing "getting rich".

Meretrix meretrix lives in the sediment at the junction of salt and fresh water, so the chance of infection with germs or incidental eggs is greatly reduced. Clam shells are usually closed and indestructible. When you eat clams, you should first blanch them with boiling water, otherwise they won't be peeled off.

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