MeSH definition : A pentacyclic triterpene that occurs widely in many PLANTS as the free acid or the
aglycone for many SAPONINS. It is biosynthesized from lupane. It can rearrange to
the isomer, ursolic acid, or be oxidized to taraxasterol and amyrin.;
A pentacyclic triterpene that occurs widely in many PLANTS as the free acid or the
aglycone for many SAPONINS. It is biosynthesized from lupane. It can rearrange to
the isomer, ursolic acid, or be oxidized to taraxasterol and amyrin.