Oyster mushrooms - mushrooms from the family Veshenkovyh used in cooking and medicine.
Appearance and vegetation
Oyster mushrooms - mushrooms large size, with a cap of 5-30 cm in diameter, round or rakovinoobraznoy form. The color of the cap depends on the age of the fungus. The young plant, it has a dark gray color, the color of a mature mushroom cap ash-purple. The old mushroom cap is whitish or yellowish. The stem is short, slightly bent sideways.
Mushrooms family Veshenkovyh common in temperate countries, particularly in Russia and Ukraine. Grow on deciduous trees (willow, aspen, oak, birch) groups. Oyster mushroom mycelium can grow easily in the home on a substrate of vegetable wastes containing cellulose and lignin.
The uniqueness of fungi due to their nutritional value, low calorie oyster and ease of cultivation.
The chemical composition and properties of the Oyster
By its nutritional value can be compared with Oyster fruit, and some elements, such as phosphorus, even with fish.
Proteins in the fungus contains 20-25% of dry matter and their digestibility is 70-80%. The fruit body contains 10 of the 14 required individual micro-and macro, including iron. Also present cobalt and other trace elements deficient in the human diet.
The oyster mushroom mycelium present active vitamin D2 and a fat-soluble vitamin E (tocopherol), the content of which is somewhat lower than in cod liver oil. Also in the fungus contains folic and ascorbic acid, biotin, pyridoxine, riboflavin, thiamine. And the content of niacin fungus is one of the leading food.
The mushroom growing on a tree, there is a substance called beta-glucan, which is able to inhibit tumor cells, helps fight viruses, improves the immune system, lowers blood sugar and cholesterol levels.
Caloric oyster low at 100g approximately 33 kcal.
Useful properties of oyster mushrooms and their use in medicine
Well known beneficial properties Oyster containing fatty acid lowering blood cholesterol levels, allow the use of alcohol and aqueous extracts of mushrooms for the prevention of atherosclerosis and hypertension.
Already a scientifically proven fact is that the mycelium Oyster mushrooms have anti-cancer activity. The constant use of fungi in food capable of reducing the effects of radiotherapy and physiotherapy and, in some cases, increases resistance to radiation. Therefore, doctors recommend eating a mushroom patients during chemotherapy and after. Mushroom promotes active excretion of heavy metals, radionuclides, enhances immunity and has antiviral action.
Studies have shown that the juice Oyster able to stop the growth of E. coli.
Dry powder is an excellent tool for reducing peroxidation products and triglycerides in the blood, kidneys and liver.
Another nice feature is its ability to Oyster to act as a sorbent and an antioxidant that helps to normalize digestion and restore its function.
Mushrooms can save people from diseases such as tuberculosis, pneumonia, tropical malaria and bacterial diseases of the eye.
Minerals contained in the oyster, allow to act as a regulator in metabolism. They are part of many enzymes and are the main material in the building of bone.
Low calorie oyster allows them widely used in dietary nutrition.
The positive effect from the use of
Summarizing all the above, we can conclude that daily consumption of 100-150 grams of mushrooms:
- It helps prevent and treat stomach ulcers;
- It promotes the removal of radioactive elements from the body;
- Prevents the development of atherosclerosis;
- Normalize cholesterol levels and blood pressure;
- Due to the low calorie diet foods are oyster;
- Strengthens the immune activity of the organism;
- Improves bowel;
- Delays the aging of cells;
- The mycelium oyster reduces the risk of tumor diseases;
- It shows an antitumor effect.
Contraindications to eat
Chitin contained in oyster heavily absorbed by the body, so is contraindicated to use them raw. When cooking is required to be subjected to heat treatment!
When collecting mushrooms should be considered, spores can cause allergic reactions if it enters the lungs.