Grifola frondosa (wanda kuma ake kira Maitake) asalinsa ne a yankunan tsaunuka na arewacin Japan.Yana da wani nau'i na naman kaza mai cin abinci-maganin magani tare da dandano mai kyau da magungunan magani.An yi la'akari da shi sosai a matsayin girmamawa ga dangin sarauta na Japan tun zamanin da.Ba a yi nasarar noman wannan naman kaza ba sai tsakiyar shekarun 1980.Tun daga wannan lokacin, masana kimiyya galibi a kasar Japan sun gudanar da bincike mai zurfi kan naman kaza na Maitake a fannin ilmin sinadarai, Biochemistry da Pharmacology, inda suka tabbatar da cewa Maitake naman kaza naman kaza ne mafi daraja ga magani da abinci.Musamman Maitake D-fraction, kayan aikin da ya fi dacewa da aka samo daga naman kaza na Maitake, yana da tasirin maganin ciwon daji.

Cikakken bincike game da tasirin magunguna na Grifola frondosa a Japan, Kanada, Italiya da Burtaniya a cikin 'yan shekarun nan sun nuna cewa Grifola frondosa yana da tasirin anti-cancer, haɓakar rigakafi, haɓakar hauhawar jini, rage sukarin jini, rage yawan lipids na jini. anti-hepatitis ƙwayoyin cuta.

A taƙaice, Grifola frondosa yana da ayyuka na kiwon lafiya masu zuwa:
1.Saboda yana da wadata a cikin baƙin ƙarfe, jan ƙarfe da bitamin C, yana iya hana anemia, scurvy, vitiligo, arteriosclerosis da thrombosis na cerebral;
2.Yana da babban sinadarin selenium da chromium, wanda zai iya kare hanta da pancreas, hana hanta cirrhosis da ciwon sukari;Babban abun ciki na selenium shima yana da aikin hana cutar Keshan, cutar Kashin-Beck da wasu cututtukan zuciya;
3.Ya ƙunshi duka calcium da bitamin D. Haɗuwa da su na iya yin rigakafi da kuma magance rickets;
4.Mafi girman abun ciki na zinc yana da amfani don inganta ci gaban kwakwalwa, kula da hangen nesa da kuma inganta warkar da rauni;
5.Haɗin babban abun ciki na bitamin E da selenium yana ba shi damar samun tasirin rigakafin tsufa, haɓaka ƙwaƙwalwar ajiya da haɓaka hankali.A lokaci guda, yana da kyakkyawan immunomodulator.
6.A matsayin maganin gargajiya na kasar Sin, Grifola frondosa daidai yake da polyporus umbellatus.Yana iya warkar da dysuria, edema, ƙafar 'yan wasa, cirrhosis, ascites da ciwon sukari.
7.Yana kuma da tasirin hana hawan jini da kiba.
8.The mafi girma selenium abun ciki na Grifola frondosa iya hana ciwon daji.

Gwaje-gwajen dabbobi da gwaje-gwajen asibiti sun nuna cewa Maitake D-fraction yana yin tasirin rigakafin ciwon daji ta hanyar abubuwa masu zuwa:
1.Yana iya kunna ƙwayoyin rigakafi irin su phagocytes, ƙwayoyin kisa na halitta da ƙwayoyin cytotoxic T, da haifar da ɓoyewar cytokines kamar leukin, interferon-γ, da ƙari necrosis factor-α.
2. Yana iya haifar da apoptosis na kwayoyin cutar kansa.
3.Hade tare da magungunan ƙwayoyin cuta na gargajiya (irin su mitomycin da Carmustine), ba wai kawai yana ƙara tasirin maganin ba amma yana rage tasirin mai guba da sakamako masu illa a lokacin chemotherapy.
4. Synergistic sakamako tare da immunotherapy kwayoyi (interferon-α2b).
5. Yana iya sauƙaƙa radadin masu fama da ciwon daji, ƙara yawan ci da inganta rayuwar marasa lafiya.