Grifola frondosa (tseem hu ua Maitake) yog nyob rau thaj tsam roob ntawm sab qaum teb Nyiv.Nws yog ib hom edible-medicinal nceb nrog saj zoo thiab tshuaj los.Nws tau raug suav hais tias yog khoom plig rau tsev neeg muaj koob muaj npe Japanese txij li thaum ub.Cov nceb no tsis tau zoo cog kom txog thaum nruab nrab-1980s.Txij thaum ntawd los, cov kws tshawb fawb feem ntau hauv Nyij Pooj tau tshawb fawb ntau txog Maitake nceb hauv chemistry, biochemistry thiab pharmacology, ua pov thawj tias Maitake nceb yog cov nceb muaj txiaj ntsig tshaj plaws rau tshuaj thiab zaub mov.Tshwj xeeb tshaj yog Maitake D-fraction, cov khoom muaj txiaj ntsig zoo tshaj plaws tau muab rho tawm los ntawm Maitake nceb, muaj zog tiv thaiv kab mob cancer.

Cov kev tshawb fawb dav dav ntawm cov tshuaj pharmacological ntawm Grifola frondosa hauv Nyiv, Canada, Ltalis thiab United Kingdom nyob rau xyoo tas los no tau pom tias Grifola frondosa muaj cov txiaj ntsig ntawm kev tiv thaiv kab mob, tiv thaiv kab mob, tiv thaiv ntshav siab, txo cov ntshav qab zib, txo cov ntshav lipids thiab tshuaj tiv thaiv kab mob siab.

Hauv cov ntsiab lus, Grifola frondosa muaj cov haujlwm hauv qab no:
1.Vim nws yog nplua nuj nyob rau hauv hlau, tooj liab thiab vitamin C, nws muaj peev xwm tiv thaiv anemia, scurvy, vitiligo, arteriosclerosis thiab cerebral thrombosis;
2.Nws muaj cov ntsiab lus selenium thiab chromium siab, uas tuaj yeem tiv thaiv daim siab thiab txiav, tiv thaiv daim siab mob siab thiab ntshav qab zib;nws cov ntsiab lus selenium siab kuj muaj kev ua haujlwm ntawm kev tiv thaiv kab mob Keshan, kab mob Kashin-Beck thiab qee yam kab mob plawv;
3.Nws muaj ob qho tib si calcium thiab vitamin D. Kev sib xyaw ntawm ob tuaj yeem tiv thaiv thiab kho rickets;
4.Nws cov ntsiab lus zinc ntau dua yog qhov muaj txiaj ntsig zoo los txhawb lub hlwb kev loj hlob, tswj kev pom kev zoo thiab txhawb kev kho qhov txhab;
5.Qhov sib xyaw ua ke ntawm cov ntsiab lus siab ntawm vitamin E thiab selenium ua rau nws muaj kev cuam tshuam los tiv thaiv kev laus, txhim kho kev nco thiab rhiab heev.Nyob rau tib lub sijhawm, nws yog ib qho zoo heev immunomodulator.
6.Raws li cov tshuaj suav tshuaj, Grifola frondosa yog sib npaug rau Polyporus umbellatus.Nws tuaj yeem kho dysuria, edema, ncaws pob taw, cirrhosis, ascites thiab ntshav qab zib.
7.Nws kuj muaj cov nyhuv inhibiting ntshav siab thiab rog.
8.Qhov ntau dua selenium cov ntsiab lus ntawm Grifola frondosa tuaj yeem tiv thaiv qog noj ntshav.

Tsiaj thwmsim thiab kev sim tshuaj ntsuam xyuas qhia tau tias Maitake D-fraction exerts anti-cancer los ntawm cov nram qab no yam:
1.Nws tuaj yeem ua kom lub cev tiv thaiv kab mob xws li phagocytes, cov kab mob tua neeg ntuj thiab cytotoxic T hlwb, thiab ua rau muaj kev tso tawm ntawm cytokines xws li leukin, interferon-γ, thiab qog necrosis factor-α.
2.Nws tuaj yeem ua rau apoptosis ntawm cov qog nqaij hlav cancer.
3.Combined nrog cov tshuaj kws khomob ib txwm siv (xws li mitomycin thiab Carmustine), nws tsis yog tsuas yog ua kom cov tshuaj muaj txiaj ntsig zoo xwb tab sis kuj txo cov tshuaj lom thiab cov kev mob tshwm sim thaum siv tshuaj khomob.
4.Synergistic effect nrog cov tshuaj tiv thaiv kab mob (interferon-α2b).
5. Nws tuaj yeem txo qhov mob ntawm cov neeg mob qog noj ntshav siab, ua kom qab los noj mov thiab txhim kho lub neej zoo ntawm cov neeg mob.