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Nutritional value of oysters
Oyster meat is rich in various minerals and trace elements, which is second only to clam with thin shell, but much higher than other seafood such as clam, squid and sea cucumber.

Oysters are rich in taurine, zinc and selenium. It is low in fat and cholesterol, contains a certain amount of highly unsaturated fatty acids, and is rich in inorganic salts and vitamins.

Oyster meat contains a lot of glycogen, which is the energy of cell metabolism. Supplementing glycogen can improve heart function and blood circulation, enhance liver function and protect liver. Glycogen in oysters can also be directly absorbed and utilized by the body, thus reducing the burden on the pancreas, so it is very beneficial to diabetes.

Oysters are highly valued by nutritionists and clinicians for their high content of taurine. Taurine is a sulfur-containing amino acid with various physiological activities, which plays an important physiological role in the normal development of infant retina and central nervous system.

Extended data:

Oyster, as a kind of high-quality shellfish, not only has delicious meat, but also its meat and shell can be used as medicine, which has high medicinal value. Oyster meat contains a variety of amino acids, glycogen, a large number of active trace elements and small molecular compounds, and its shell contains a lot of calcium carbonate.

As a common economic cultured shellfish, oyster has long been recognized for its medicinal and edible value, and it is delicious and easy to digest. Dry meat contains 45%~52% protein, 7%~ 1 1% fat and 0/9% ~ 38% total sugar/kloc-0. In addition, it is rich in vitamins A, B 1, B2, D and G, and its iodine content is 200 times higher than that of milk or egg yolk. After concentration, it is called "oyster sauce", and the meat can be eaten fresh or made into dry products, that is, the traditional famous "oyster sauce".

Oyster meat also has the functions of nourishing blood, enriching blood and nourishing yin. Compendium of Materia Medica records the medicinal value of oysters in treating weakness, relieving erysipelas and quenching thirst. The earliest medical monograph "Shen Nong Ben Cao Jing" in China contains seven kinds of shellfish traditional Chinese medicines, such as oysters, which have the functions of astringing yin and suppressing yang, stopping sweating and resolving phlegm, softening hard mass and resolving hard mass. Indications: epilepsy, dizziness, spontaneous sweating, night sweats, nocturnal emission, stranguria, metrorrhagia, leukorrhagia, carbuncle, etc. According to literature reports, oysters also have the functions of making acid, lowering blood pressure, resisting cancer and preventing aging.

Oysters are deeply loved by consumers because of their delicious taste and rich nutrition, but when people eat them, a large number of shells are discarded as garbage. In fact, more than 90% of calcium carbonate in oyster shells is a valuable resource, which can be used in many fields, such as medicine, food health care and making various additives.

Medicinal value Oyster shell is a traditional Chinese herbal medicine. On the basis of traditional medical experience, China pharmacologists have conducted in-depth research on it by using modern research methods, and found that its effects include calming the nerves and nourishing the heart, calming the heart and calming the nerves, calming the liver and calming the wind, calming the liver and suppressing yang, resolving phlegm and relieving cough, and eliminating internal heat due to deficiency of fire. Oyster shell and keel contain a lot of calcium, trace elements and amino acids, so oyster shell may be used as a substitute for keel.

References:

Baidu encyclopedia-oyster