disclosed are the isolation , purification and analysis of the triterpenoid compositions in the fruiting body of antrodia cinnamomea using hplc and nmr , as well as the stereo structures and the amounts of the triterpenoid compositions . the cytotoxicity of triterpenoids is also revealed . based on the aforementioned techniques , the presence and amounts of ergostane and lanostane in the drugs , healthcare food or other goods are able to be detected .