银耳又名白木耳,晶莹透白,形似菊花、鸡冠,是一种珍贵的药用菌和传统的滋补品。在分类学中属于真菌门,担子菌纲,异隔担子菌亚纲,颤胶菌目,银耳科。人称它是食用菌的明珠。据北京医学院分析,银耳含蛋白质6.7--10％,碳水化合物65--71.2％,无机盐4.0--5.44％,脂肪0.6--1.28％,粗纤维2.4--2.75％,水份占15.2--18.76％。银耳的蛋白质中含有亮氨酸、异亮氨酸、苯丙氨酸等17种氨基酸。无机盐中主要含硫、磷、铁、镁、钙、钾、钠等离子。银耳性平,味甘,有润 White fungus, also known as white fungus, crystal white, shaped like chrysanthemum, cockscomb, is a precious medicinal mushrooms and traditional tonic. In taxonomy belongs to the fungal door, Basidiomycetes, isolates Basidiomycetes sub-class, Rubella bacteria, Tremella. People call it the pearl of edible mushrooms. According to the analysis of Beijing Medical College, white fungus protein 6.7 - 10%, carbohydrates 65 - 71.2%, inorganic salts 4.0 - 5.44%, fat 0.6--1.28%, crude fiber 2.4--2.75%, water 15.2 - 18.76%. Tremella protein contains leucine, isoleucine, phenylalanine and other 17 kinds of amino acids. Inorganic salts mainly contain sulfur, phosphorus, iron, magnesium, calcium, potassium, sodium plasma. Tremella flat, sweet, moist