Not edible, because overnight mushrooms residue too much nitrate, placed too long, easy to produce nitrite, carcinogenic substances.

The benefits of eating mushrooms to people:

1, improve the immune function: mushroom polysaccharide can improve the phagocytosis of mice abdominal macrophages, but also promote the production of?T lymphocytes, and improve the killing activity of T lymphocytes.

Experiments have proved that shiitake mushrooms also contain an antiviral interferon inducer, which can improve the human body's ability to resist diseases and prevent influenza and other diseases. Shiitake mushrooms have the effect of harmonizing the stomach, strengthening the spleen, replenishing qi and benefiting the kidneys, and can cure chronic illnesses such as qi deficiency and loss of appetite.

2, delaying aging: the aqueous extract of shiitake mushroom has a scavenging effect on hydrogen peroxide, and has a certain effect on the elimination of hydrogen peroxide in the body.

Anti-cancer: the cap of shiitake mushroom contains double-chain structure of ribonucleic acid, which produces interferon with anti-cancer effect after entering the human body.

Sunglasses, blood pressure, blood lipids, cholesterol: Shiitake mushrooms contain purine, choline, tyrosine, oxidizing enzymes and some nucleic acids, which can play a role in lowering blood pressure, lowering cholesterol, lowering blood lipids, and can prevent arteriosclerosis, cirrhosis of the liver and other diseases.

Be careful, shiitake mushroom also plays a therapeutic role in diabetes, tuberculosis, infectious hepatitis, neuritis, etc., and can be used for indigestion and constipation. In addition, the mushroom contains nucleic acid substances, also has the function of preventing and treating AIDS.