lvariella volvacea (also known as straw mushroom or paddy straw mushroom; syn. Volvaria volvacea, Agaricus volvaceus, Amanita virgata, Vaginata virgata) is a species of edible mushroom.

It Contains a lot of vitamin C, V. PP, V. B1, V. D2 and V. D4, it can promote human metabolism and enhance immunity, and enhance disease resistance.

It also has the role of detoxification, such as lead, arsenic, benzene into the human body, they can with their combination of bad blood to form the anti-yuan to be within the discharge urine.

It can also slow down the body's absorption of carbohydrates is a good diabetes foodstuffs.