Oyster mushrooms
Oyster mushrooms are mushrooms from the Veshenkov family used in cooking and medicine.
The ratio of BJU in the product
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Appearance and growth
Oyster mushrooms are large mushrooms, with a cap of 5-30 cm in diameter, round or shell-shaped. The color of the cap depends on the age of the mushroom. In a young plant, it has a dark gray color, in a mature mushroom, the color of the cap is ash-purple. In an old mushroom, the cap has a whitish or yellowish tint. The leg is short, slightly bent to the side.
Mushrooms of the Veshenkov family are common in countries with a temperate climate, in particular, in Russia and Ukraine. They grow on deciduous trees (willows, aspens, oaks, birches) in groups. Oyster mushroom mycelium can be easily grown at home on a substrate of plant waste containing cellulose and lingin.
The uniqueness of mushrooms is due to their nutritional properties, low calorie content of Oyster mushrooms and ease of growing.
Oyster mushroom chemical composition and properties
By its nutritional properties, Oyster mushrooms can be compared with fruits, and for some elements, for example, phosphorus, even with fish.
Proteins in the mushroom contain 20-25% of dry matter, and their digestibility is 70-80%. The fruiting body contains 10 of the 14 micro- and macroelements necessary for a person, including iron. Cobalt and other deficient trace elements are also present in the human diet.
Oyster mushroom mycelium contains active vitamin D2 and fat-soluble vitamin E (tocopherol), the content of which is slightly lower than in cod liver. The mushroom also contains folic and ascorbic acids, biotin, pyridoxine, riboflavin, thiamine. And in terms of niacin content, the mushroom occupies one of the leading places among food products.
The fungus growing on the tree contains a substance called beta-glucan, which can suppress tumor cells, help fight viruses, increase immunity, and lower blood sugar and cholesterol levels.
The calorie content of Oyster mushrooms is low and amounts to about 33 kcal per 100 g.
Useful properties of oyster mushrooms and their use in medicine
The well-known beneficial properties of oyster mushrooms, which contain fatty acids that lower blood cholesterol levels, allow the use of alcohol and water infusions of mushrooms for the prevention of atherosclerosis and hypertension.
It is already scientifically proven fact that the mycelium of Oyster mushroom has anti-cancer activity. The constant use of mushrooms in food can reduce the effects of radiation and physical therapy and in some cases increases the body's resistance to radiation. Therefore, doctors recommend that patients use the mushroom during and after chemotherapy. The fungus promotes the active excretion of salts of heavy metals, radionuclides from the body, enhances immunity and has an antiviral effect.
Studies have shown that Oyster mushroom juice is able to stop the growth of E. coli.
Dry powder is excellent for reducing peroxidation products and triglycerides in the blood, kidneys and liver.
Another remarkable property of Oyster mushroom is its ability to act as a sorbent and antioxidant, which helps to normalize digestion and restore its functions.
Mushrooms are able to rid a person of diseases such as tuberculosis, pneumonia, tropical malaria, as well as bacterial eye diseases.
Mineral substances contained in Oyster mushrooms allow to act as a regulator in metabolism. They are part of many enzymes and are the main material in the construction of bone tissue.
The low calorie content of Oyster mushrooms allows them to be widely used in dietary nutrition.
The positive effect of using
Summarizing all of the above, we can conclude that daily consumption of 100-150 g of mushrooms:
- Promotes the prevention and treatment of stomach ulcers;
- Promotes the removal of radioactive elements from the body;
- Prevents the development of atherosclerosis;
- Normalizes cholesterol and blood pressure;
- Due to its low calorie content, Oyster mushrooms are a dietary food;
- Strengthens the body's immune activity;
- Improves bowel function;
- Delays cell aging;
- Oyster mushroom mycelium reduces the risk of developing cancer;
- It has an antitumor effect.
Contraindications to use
The chitin contained in oyster mushroom is difficult for the body to absorb, therefore it is contraindicated to use them raw. Be sure to heat it during cooking!
When collecting mushrooms, it must be borne in mind that spores can cause an allergic reaction if they enter the lungs.
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