Black cohosh, yomwe imadziwikanso kuti muzu wa njoka yakuda kapena muzu wa rattlesnake, imachokera ku North America ndipo yakhala ikugwiritsidwa ntchito kwa nthawi yayitali ku United States. Kwa zaka zoposa mazana awiri, Amwenye aku America apeza kuti mizu ya black cohosh imathandiza kuchepetsa kupweteka kwa msambo ndi zizindikiro za kusamba, kuphatikizapo kutentha thupi, nkhawa, kusintha kwa maganizo ndi kusokonezeka kwa tulo. Muzu wa black hemp umagwiritsidwabe ntchito pazifukwa izi mpaka pano.

Chofunikira kwambiri pa muzu ndi terpene glycoside, ndipo muzu uli ndi zosakaniza zina zogwira ntchito, kuphatikizapo ma alkaloid, ma flavonoids ndi tannic acid. Black cohosh imatha kupanga zotsatira zofanana ndi estrogen ndikuyendetsa bwino endocrine, zomwe zingathandize kuchepetsa zizindikiro za kusamba monga kusowa tulo, kutentha thupi, kupweteka kwa msana ndi kutayika kwa malingaliro.

Pakadali pano, kugwiritsa ntchito kwakukulu kwa black cohosh extract ndikuchepetsa zizindikiro za perimenopausal. Malangizo a American College of Obstetricians and Gynecologists pakugwiritsa ntchito mankhwala azitsamba pa zizindikiro za perimenopausal amanena kuti angagwiritsidwe ntchito kwa miyezi isanu ndi umodzi, makamaka pochepetsa mavuto ogona, mavuto a maganizo ndi kutentha thupi.

Monga momwe zilili ndi ma phytoestrogens ena, pali nkhawa zokhudza chitetezo cha ma cohosh akuda mwa akazi omwe ali ndi mbiri yakale kapena mbiri ya banja lawo ya khansa ya m'mawere. Ngakhale kuti kafukufuku wowonjezereka akufunika, kafukufuku wina wa histological mpaka pano wasonyeza kuti ma cohosh akuda alibe mphamvu yolimbikitsa estrogen pa maselo a khansa ya m'mawere omwe ali ndi estrogen-receptor, ndipo ma cohosh akuda apezeka kuti akuwonjezera mphamvu yotsutsana ndi chotupa cha tamoxifen.

Chotsitsa cha Black cohoshImagwiritsidwanso ntchito pochiza matenda a mitsempha ya zomera omwe amayamba chifukwa cha kusamba, ndipo imakhudza bwino mavuto obereka a akazi monga kusamba, zizindikiro za kusamba monga kufooka, kuvutika maganizo, kutentha thupi, kusabereka kapena kubereka. Imagwiritsidwanso ntchito pochiza matenda otsatirawa: angina pectoris, kuthamanga kwa magazi, nyamakazi, mphumu ya bronchial, kulumidwa ndi njoka, kolera, kugwedezeka, dyspepsia, chinzonono, mphumu ndi chifuwa chosatha monga chifuwa chokoka, khansa ndi mavuto a chiwindi ndi impso.

Black cohoshsizinapezeke kuti zimagwirizana ndi mankhwala ena kupatulapo tamoxifen. Zotsatira zoyipa zomwe zimapezeka kwambiri m'mayesero azachipatala zinali kusasangalala m'mimba. Pa mlingo waukulu, black cohosh ingayambitse chizungulire, mutu, nseru ndi kusanza. Kuphatikiza apo, amayi apakati sayenera kugwiritsa ntchito black cohosh chifukwa ingayambitse kupweteka kwa chiberekero.