2, shiitake is a kind of edible fungi, shiitake rhizome part of the cap part of the same can be eaten, its nutritional value remains unchanged, and shiitake cap is the same, the taste of the production is the same as the shiitake mushroom, usually in some hotels to see shiitake mushroom is to remove the root of, just for the sake of the good-looking plating, daily life in their own homes in order to not waste, the root of the shiitake mushroom is completely edible, just encounter the older shiitake root can not eat, the tender part will be torn off is edible, fried out of chewy. If you encounter old mushrooms, you can not eat them, but tear off the tender part, which is very chewy. Nutritional value, flavor attribution and mushroom cap is the same, moderate eating mushroom root can promote gastrointestinal peristalsis, promote defecation, benefit the liver and stomach, can be supplemented with a variety of nutrients for the body to increase the body's immunity, mental health, is a very good nutritional food.