PHARMACEUTICAL COMPOSITION AND PORIA EXTRACT FOR TREATMENT OF DISEASE INDUCED BY IMMUNE DISORDER

摘要

PROBLEM TO BE SOLVED: To provide a novel component for immune disease such as allergy.SOLUTION: This invention relates to lanostane represented by chemical formula (I) or a poria extract comprising the same, wherein Ris H or CH; Ris =O, OH, or the like; Rand Rare H or OH; Ris -C(=CH)-C(CH)R(where Ris H or OH), or the like; and Ris CHor CHOH.