Black fungus, also known as wood moth, tree chicken, cloud ear, ear, etc., is growing in the decaying wood on a kind of edible fungi, because of its color brown, shaped like a human ear, and named. First, the nutritional value of black fungus black fungus is extremely nutritious, for the ancient emperors to enjoy the goodies, "vegetarian meat" reputation. According to & lt; Ritual within the rules & gt; records and Han scholars Zheng Xuan's notes, as well as the Song Dynasty Chen Hao's & lt; Ritual set said & gt;, are proof that the black fungus for the ancient times of emperors and kings only enjoy the goodies. Black fungus is crisp and tender, delicious flavor, is the urban and rural people love food. Black fungus contains a lot of carbohydrates, protein about 10%, fat, fiber, iron, calcium, phosphorus, carotene, vitamin B1, B2 and C and other effective nutrients. According to laboratory analysis, each hundred grams of black fungus contains 375 mg of calcium, equivalent to 7 times the carp; containing 185 mg of iron, equivalent to 70 times the carp. The gelatinous body of black fungus is very attractive, it can concentrate the dust and impurities left in people's digestive system and expel them out of the body, which is a good health food for miners, weavers, hairdressers and chemical workers. Black fungus is a valuable medicinal material, the famous Ming Dynasty medicine Li Shizhen in & lt; Compendium of Materia Medica & gt; recorded that the fungus, "sweet and flat, the main treatment of gas not hunger," and so on, modern medical practitioners on the medicinal value of the black fungus and a new discovery that the black fungus also has a clear lung, moistening the body fluid, to take the effect of silt and birth of the new, the black fungus also contains anticancer substances, is a kind of anticancer medicinal food. Black fungus can also promote human blood circulation, treatment of coronary heart disease. According to expert determination, each 100 grams of black fungus contains 10.6 grams of protein, fat 1.2 grams of carbohydrates 65.5 grams of crude fiber 7.0 grams of calcium 357 milligrams of phosphorus 201 milligrams of iron 185 milligrams of iron; also contains vitamin B1, vitamin B2, carotene, niacin and other vitamins and inorganic salts, phospholipids, phytosterols and so on. The iron content of black fungus is 20 times that of celery, 7 times that of pig liver, which is a very good natural blood food; and the calcium content is equivalent to 7 times that of crucian carp. 2, the medicinal value of black fungus black fungus has the benefit of brain, nourishing and strong, tonic blood treatment of blood, nourishing yin and moistening dryness, nourishing the stomach and laxative, clearing the lungs and qi, calming and pain relief and other effects and other functions. The motherland medicine, black fungus can "benefit from hunger, light body and strong will". Black fungus is rich in cellulose and a special plant gum, can promote gastrointestinal peristalsis, promote intestinal fat food excretion, reduce the absorption of food fat, thus playing a role in weight loss. Black fungus in the gelatinous, lung and cleansing gastrointestinal role can be residual in the digestive tract impurities, waste adsorption out of the body, so it is also an important textile workers and mine workers one of the health food. According to the United States, the University of Minnesota Medical School research found that black fungus, there is a kind of nucleic acid substances, can reduce blood cholesterol and triglyceride levels, coronary heart disease, arteriosclerosis patients quite beneficial. Black fungus in the polysaccharide has anti-cancer effect, can be used as a tumor patient's therapeutic