Maitake mushroom extract is a polysaccharide extracted from Grifola frondosa, It can be used as an additive for various health products and foods. Grifola frondosa is rich in protein, carbohydrate, fiber, vitamin, a variety of trace elements and biotin. The main active component of Grifola frondosa is maitake mushroom extract polysaccharides, which is mainly composed of glucan.