Cytotoxic triterpenoids and triterpene sugar esters from the medicinal mushroom Fomitopsis betulina

Article abstract of DOI:10.1016/j.phytochem.2020.112580

Thirteen undescribed 24-methylene lanostane triterpenoids, named polyporenic acids E-M and fomitosides L-O, as well as seventeen known analogues, were isolated from the fruiting bodies of the mushroom Fomitopsis betulina. Their structures were determined