In the health-care food, because ganoderma lucidum helps to moisturize the skin, enlivens appearance. For the purpose of beauty products will be the focus of development future. However, as a result of backward extraction process of ganoderma lucidum polysaccharides, the color of the product is brown, the major impurity has the pigment, the protein and some small molecular material, seriously affects the color of cosmetics.Therefore, the article focus on a series of problems of decoloration for gano...