How to preserve fresh oysters, seafood has always been very popular. Oysters are also a kind of seafood. Many ways to eat them are very smooth and have extremely high nutritional value. How to preserve fresh oysters is shared below.

How to preserve fresh oysters 1 fresh oysters?

When buying oysters, don't buy too many at a time, so as not to eat them all and cause waste. After all, oysters are not easy to keep fresh. If the oyster smells fishy or the oyster meat changes color, it means that the oyster is not fresh.

Preservation box

If oysters are left for too long, they will easily deteriorate and their taste will be greatly reduced. You can put oysters in a white foam box and add some ice cubes, which can be kept for about three days without spoilage.

Refrigerator freezing

If you open all the oysters, you can put them in the freezer of the refrigerator. The temperature should be set at about 4~5 degrees, and it should not be too high. Otherwise, oysters will breed a lot of bacteria, thus accelerating decay and deterioration.

Clean water

If the bought oysters are still alive, they can be raised, put in clean water, and then put in a dry and normal temperature environment, which can be kept for about a week without deterioration.

No shell opening

If oysters are not shelled, they will be easier to store and last longer than shelled oysters. Put the oysters in a foam box and spread a layer of ice, which can be preserved for about two weeks without spoilage.

sesame oil

If the oysters are still fresh, you can wash them with clear water first, then put them into the basin, and then drop a few drops of sesame oil into the basin, so that they can be kept for about two days without deterioration, but you should eat them as soon as possible.

How to preserve fresh oysters II. The efficacy and function of oysters.

1, zinc supplement

Oyster is one of the natural foods with high zinc content (the content of oyster meat is as high as 100 mg per100 g), that is, eating only 2-3 oysters a day can provide the zinc needed by human body, which is suitable for people with zinc deficiency.

2, intelligence and brain.

Taurine, DHA and EPA contained in oysters are important nutrients for intellectual development. Glycogen is a form of human energy storage, which can improve the efficiency of physical and mental activities. In addition, pharmacological experiments show that increasing the content of zinc in the body with oyster shells can increase the proportion of zinc and cadmium in the body, which is conducive to improving and preventing hypertension and playing a role in protecting and strengthening the brain.

3. Improve sexual function

Oyster contains a lot of arginine and trace element lead, which is indispensable for sperm production. Arginine is the main component of sperm production, and lead promotes the secretion of hormones. Therefore, eating oysters can improve sexual function and is suitable for male diseases such as sexual dysfunction, impotence, prostatic hypertrophy and sexual organ hypoplasia.

4, nourishing and strong

Oyster contains 18 kinds of amino acids, glycogen, B vitamins, taurine, calcium, phosphorus, iron, zinc and other nutrients, which can nourish and strengthen the body and improve human immunity if eaten frequently.

5, strong liver detoxification

The glycogen contained in oysters can improve liver function, restore fatigue and enhance physical strength. Moreover, taurine contained in it can promote bile secretion, eliminate neutral fat accumulated in the liver and improve the detoxification ability of the liver.

Step 6 stabilize your mood

A variety of vitamins and minerals contained in oysters, especially selenium, can regulate nerves and stabilize emotions. Moreover, taurine and glycogen in oysters can help the body recover from fatigue.

7. Strong muscles and bones

The calcium content in oysters is close to that of milk, and the iron content is 2 1 times that of milk, which is beneficial to the growth of bones and teeth after eating.

8. Self-care and beauty

Because oysters contain iron and copper, it is the most effective method to treat iron deficiency anemia peculiar to women. In addition, the lead contained in oysters can prevent dry skin, promote skin metabolism, decompose subcutaneous melanin, and produce delicate skin with white inside and red outside.

9, improve immunity

Oyster is rich in high-quality protein, liver glycogen, vitamins and minerals, and a variety of amino acids. These amino acids are rich in amino acids (glutamic acid, sugar gum) that can synthesize anti-acidification substances. After eating oysters, glutathione is synthesized in the human body, which removes active acids in the body and improves immunity.

10, precautions for eating oysters

be jealous of

1, oysters are cold, and those who are weak and afraid of cold are not suitable for eating.

2. Patients with acute and chronic skin diseases should not eat; People with spleen and stomach deficiency and chronic diarrhea in urinal should not eat more.

be pregnant

Pregnant women can eat it. Oyster is rich in trace elements and glycogen, which is beneficial to promote the growth and development of fetus, correct anemia of pregnant women and restore their physical strength.

baby

Babies can eat. Oysters can supplement zinc and calcium, promote the baby's physical development, and are suitable for babies over 1 year old.

grow

Oyster+milk: prevention of osteoporosis; Oyster+lily: nourishing yin and moistening lung; Oyster+wax gourd: promoting blood circulation and removing blood stasis, softening and resolving hard mass; Oyster+leek: tonifying kidney and lowering blood sugar; Oyster+pork: nourishing yin and moistening yang, moistening intestines and relaxing bowels; Oyster+egg: promote bone growth.

Scold or fight?

Oyster+beer: susceptible to gout; Oyster+corn: affecting absorption; Oyster+persimmon: gastrointestinal discomfort.

1 1, the nutritional value of oysters

1. Oysters are rich in protein, and protein is also rich in amino acids. They can detoxify and remove many toxic substances from the body. At the same time, they can also reduce the level of human cholesterol, so they can be used to prevent arteriosclerosis.

2. Oysters also contain vitamin B 12 which is lacking in general foods. The diamond element in vitamin B 12 is an indispensable substance to prevent pernicious anemia, so oysters have the function of activating hematopoietic function.

3. Oyster is the best food to supplement calcium. They are rich in phosphorus. Because calcium needs the help of phosphorus when it is absorbed by human body, it is beneficial to the absorption of calcium.

Eating oysters regularly can improve the symptoms of dry skin. At the same time, it can also accelerate the metabolism of the skin and decompose melanin, so it is very effective for beauty.

Another function of eating oysters is to improve people's immunity, which also depends on the zinc contained in oysters. Once the human body is short of zinc, its immunity will drop obviously. By supplementing zinc, the chances of catching cold and infection can be reduced, and the purpose of strengthening the body can be achieved. Even AIDS patients can improve their immunity by supplementing zinc.

How to preserve fresh oysters? Can the viscera of oysters be eaten?

When we eat all kinds of aquatic products, we basically gut them, so it is inevitable that some friends will be curious: don't oysters have to gut them? The answer to this question is actually very simple: you can eat oysters without eviscerating them, but this requires certain preconditions.

First of all, oyster is a kind of shellfish with high requirements for water quality and environment. The more delicious oysters are, the more high-quality water environment is needed. Relatively speaking, the cleaner and higher quality growing environment makes oysters cleaner than other common land ingredients.

Secondly, oysters are not active predators, but passive filter feeders, that is, they feed on algae in filtered water. Therefore, the main residue in the viscera of oysters is algae. Of course, some algae are being digested and digested, but they are much cleaner than the viscera of chickens, ducks, geese, pigs, cows, sheep and other animals.

Finally, after all, oysters are a relatively small number of ingredients, and the edible parts themselves are not many, and the price is not cheap. Therefore, as long as they are not eaten as staple food, the average person can't eat much, let alone eat them every day, and the contents in the internal organs can have an impact.

What should I pay attention to when eating oysters?

1, oysters should be kept fresh, and don't eat dead oysters, which is not healthy.

2. Understand the people who should avoid eating oysters.

Oysters are suitable for people: the general population can eat them, but they are more suitable for people with fever; Children with physical weakness, hilar lymph node tuberculosis, cervical lymph node tuberculosis, scrofula, insomnia due to yin deficiency, irritability, cancer, radiotherapy and chemotherapy; People with diabetes, Sjogren's syndrome, hypertension, arteriosclerosis and hyperlipidemia eat it; Suitable for menopausal syndrome and pregnant women.

People who are forbidden to eat oysters: those who are deficient in cold should avoid it; People with acute and chronic skin diseases should not eat it; People with spleen and stomach deficiency and cold, nocturnal emission, chronic diarrhea and loose stool should not eat more.

3. Oysters should not be eaten with spinach. Although spinach is high in iron, it can not absorb much iron, and it will interfere with the absorption of zinc and calcium, so it is not suitable for eating with oysters with high calcium and zinc.

4. Don't pierce or destroy the meat quality of oysters with a knife and fork.

Don't pour out the oyster juice, because the essence is in it.

6. The proportion of sodium in oysters and salt is high, so it is not advisable to add salt when cooking oysters, otherwise excessive sodium intake will increase cardiovascular load.

What are the benefits of eating oysters?

1, strengthen the detoxification function of the liver: glycogen in oysters can improve human liver function, and taurine in oysters can also promote bile secretion, which is beneficial to the excretion of waste and toxins in the liver. Regular consumption of oysters helps to strengthen the detoxification function of human liver.

2, enhance heart function: Oysters contain taurine, which can protect myocardium and enhance heart function. Regular consumption of oysters can effectively prevent and treat coronary heart disease or myocardial infarction.

3. Improve immunity: Oysters are rich in protein, glycogen, vitamins, minerals and amino acids, especially amino acids that can synthesize glutathione. Regular consumption of oysters helps the human body to synthesize glutathione and remove active acids in the body, thus improving human immunity.

4, improve blood circulation: Oysters contain a lot of vitamins, minerals and a variety of amino acids needed by the human body, which helps to improve blood circulation, especially for women's cold blood and hypotension.

5. Improve sperm motility: Oysters are rich in arginine, the main component of sperm production, and lead, which promotes hormone secretion. Regular consumption of oysters can improve sperm motility.

6, anti-fatigue: amino acids in oysters can enhance heart function, promote blood circulation in the body, timely supplement the energy needed by the body, which is conducive to the human body to better resist fatigue.

7. beauty beauty: Oysters contain iron and copper, which can effectively treat the symptoms of iron deficiency anemia in women. At the same time, oysters are also rich in lead that the human body often lacks. Eating oysters regularly can balance hormone levels, moisturize the skin and inhibit the formation of melanin, which has the effect of beauty beauty.