Identification of corilagin, punicalagin and ellagic acid derivatives from antibacterial and antioxidative extracts of African savanna woodland tree Terminalia laxiflora - Salih, E; Julkunen-Tiitto, R; Kanninen, M; Sipi, M; Luukkanen, O; Vuorela, H; Fyhrquist, P (Planta Medica, 2015)