Cov tsos yog xim dub thiab grey, thiab qhov saum npoo yog tawg thiab tawv heev;pem hauv ntej kawg ntawm lub fungus raj yog tawg, thiab lub fungus qhov yog puag ncig, lub teeb dawb, thiab ces tsaus xim av;Cov nqaij ntawm cov fungus yog lub teeb daj xim av.Vim li cas xyoo pua 16th, nws tau siv los ua tshuaj rau kev kho mob ntawm cov qog nqaij hlav malignant, ulcers, tuberculosis, thiab kis kab mob hauv Russia thiab Europe.Chaga zoo heev rau kev tiv thaiv kab mob, tiv thaiv kab mob los tiv thaiv kab mob.kev kho mob ntshav siab, ntshav siab lipids, qog malignant.