Mushrooms — protein product containing a large amount of nutrients inherent in foods from both the animal and vegetable origin. Mushrooms are so nutritious that nutritionists call them "forest meat". The highest amount of protein have dried mushrooms. Fresh mushrooms among the leader in terms of protein is the truffle (9%), in second place – white mushroom (5,5%), the third and the fourth place is occupied by birch (5,0%) and aspen (4.6 percent).
Mushroom proteins contain a complex of 18 amino acids that improve mental brain activity, prevents the development of atherosclerosis. Unfortunately, they are poorly absorbed by the body: on average only 10%. Mushrooms are rich In b vitamins (B1, B2, B6), is responsible for the condition of the hair, nails and skin, as well as nicotinic acid or vitamin PP, which strengthens the walls of the arteries. The content of this acid mushrooms can be compared to beef liver. Copper, iodine, manganese, zinc, phosphorus, and potassium in the composition of fungi normalize metabolism and strengthen the immune system of a person.
Nature has provided the fungi a full range of important to human health substances, but they are very poorly absorbed by the body, mostly due to the high content of chitin. By itself, it plays an important role in soaking up toxins and salts of heavy metals and remove them intact, but this stuff is a real test for the digestive system. Mushrooms arrive in the intestine from the stomach in undigested form. Chitin blocks the absorption of nutrients from mushrooms, while not digesting itself. The greatest amount of this substance contained in the legs. To help the stomach digest food and get at least the 10% to the right person vitamins and minerals, it is recommended to chop the mushrooms as small as possible. But in whatever form you have them or have prepared, the digestive tract have a lot of work. Therefore, people suffering from gastritis, cholecystitis, colitis and other diseases of the digestive system, mushroom to eat is impossible. The same applies to children up to 12 years.
The only benefit from the fact that mushrooms are difficult to digest, is to provide a sense of satiety and fullness of stomach in a long time, which is important for people wanting to lose weight. The caloric content of fresh mushrooms is low. The most high-calorie mushrooms are truffles (97 kcal per 100 g of product), and the most calorie — Russula (22 kcal).