Grifola frondosa (Maitake)whose another name is sitting-hen mushroom. It belongs to Eumycophyta Basidiomycotina Polyporaceae Polyporus. Maitake is regarded as ‘king of mushroom’and tastes well. In ancient times, Grifola frondosa is priceless.In that time ,it is unable to grow fungi so its location depends on natural growth entirely and the location know from generatiom to generation. Grifola frondosa has always been considered a "palace national treasure," "King of immunity"in Japan.
Grifola frondosa (Maitake)polysaccharide capsule is made of Maitake.Studies have confirmed that,with liquor taking extract of Grifola frondosa can lower blood pressure,and with water taking it can reduce cholesterol levels.Dr.Hirroaki Nanba ,an immunist and chief professor of chemistry microbiology in Kobe Pharmaceutical University ,is also the member of Iapan Cancer Society and the New York Academy of Science.He has conducted an in-depth study of Grifola frondosa with which he has treated and cured many patients.Also he uses it as a preventive treatment for some patients.He explained,Grifola frondosa can not only be used to prevent and stop the formation of cancer,but also be used to treat cancers and other serious disease ,such as AIDS and hepatitis .this kind of fungus can enhance immunity and ease various adverse side effect brought by. The coordination between chemotherapy and Grifola frondosa has an astonishing good effect.Furthermore, this fungus can effectively be applied in treatment of hypertension and diabetes,for it can significantly trduce side effects such as hair loss,weakness,anxiety and without appetite. The National Cancer Institute (USA)has confirmed that Grifola frondosa has an effect on the pathogen of AIDS.Janpan’s National Board of Health study also showed that invitro experiments where D fraction went through Grifola frondosa can inhibit T helper cells? Damage caused by HIV,of which the efficiency can be as high as 97%.