The crude polysaccharide DE was extracted from dried fruitbodies of Dictyophora echinovolvata by hot water extraction, ethanol precipitation and deproteinization with protease method and Sevag method.

• 棘托竹荪 (DictyophoraechinovolvataZang ,ZhengetHu)子实体干品经热水抽提 ,乙醇沉淀 ,蛋白酶法和Sevag法去蛋白后得粗多糖DE。