Ursolic acid is present in many plants, such as Mirabilis jalapa, as well as in many fruits and herbs used in daily life (e.g. apples, basil, bilberries, cranberries, elder flower, peppermint, rosemary, lavender, oregano, thyme, hawthorn, and prunes). Apple peels contain large quantities of ursolic acid and related compounds.
U 1350 (OTTO) Ursolic acid, 90% Cas 77-52-1 - used as a starting material for synthesis of more potent bioactive derivatives, such as experimental antitumor agents. U 1350 (OTTO) Ursolic acid, 90% Cas 77-52-1- used to study its possible protective role against kainate-induced excitotoxicity.