Biochemical Systematics and Ecology 31 (2003) 227–228 www.elsevier.com/locate/biochemsyseco Glycoside derivatives of scopoletin and β- sitosterol from Hymenodictyon floribundum A.-C. Mitaine-Offer a , L.A. Tapondjou b , J.D. Djoukeng b , H. Bouda b , M.-A. Lacaille-Dubois a,* a Laboratoire de Pharmacognosie, Unite ´ MIB, J E 2244, Faculte ´ de Pharmacie, Universite ´ de Bourgogne, 7, Bd. Jeanne D’Arc, BP 87900, 21079 Dijon Cedex, France b Laboratoire de Chimie Applique ´e et Environnementale, Faculte ´ des Sciences, Universite ´ de Dschang, BP 183, Dschang, Cameroon Received 3 January 2002; accepted 6 March 2002 Keywords: Hymenodictyon floribundum; Rubiaceae; Scopoletin; β-sitosterol; Glycosides 1. Subject and source Hymenodictyon floribundum Robinson (Rubiaceae) is a tree growing in the high plateaus of West Cameroon. The trunk barks were collected in the village of Bafou, near the city of Dschang, Cameroon, in February 2001, and identified by Dr L. Zapfack, Department of Plant Biology and Physiology, Faculty of Sciences, Univer- sity of Yaounde ´ I, Cameroon. A voucher specimen (No. 21076/SFR/CAM) was deposited at the National Herbarium of Cameroon, Yaounde ´, Cameroon (YA). 2. Previous work None. * Corresponding author. Tel.: +33-380-393-229; fax: +33-380-393-300. E-mail address: malacd@u-bourgogne.fr (M.-A. Lacaille-Dubois). 0305-1978/03/$ - see front matter  2002 Elsevier Science Ltd. All rights reserved. doi:10.1016/S0305-1978(02)00086-8