- In vivo anti-nociceptive and anti-inflammatory effect of the two triterpenes, ursolic acid and 23-hydroxyursolic acid, from Cussonia bancoensis. Tapondjou, L.A., Lontsi, D., Sondengam, B.L., Choi, J., Lee, K.T., Jung, H.J., Park, H.J. Arch. Pharm. Res. (2003)