Phytochemical and Analgesic Activity of Extract, Fractions and a 19-Hydroxyursane-Type Triterpenoid Obtained from Rubus rosaefolius (Rosaceae)

The Rubus species has been used in folk medicine to treat several ailments, including infectious and dolorous diseases. In this work we evaluate the phytochemical and analgesic activity of hydroalcoholic extract (HE), some fractions (hexane, dichloromethane, ethyl acetate and butanolic), as well as a pure compound denoted as 28-methoxytormentic acid (1) obtained from aerial parts of R. rosaefolius. The compounds were isolated and identified by...