Planta Medica Editor-in-Chief Luc Pieters, Antwerp, Belgium Senior Editor Adolf Nahrstedt, Münster, Germany Review Editor Matthias Hamburger, Basel, Switzerland Editors Wolfgang Barz, Münster, Germany Rudolf Bauer, Graz, Austria Veronika Butterweck, Gainesville FL, USA Jo¼o Batista Calixto, Florianopolis, Brazil Thomas Efferth, Heidelberg, Germany Jerzy W. Jaroszewski, Copenhagen, Denmark Ikhlas Khan, Oxford MS, USA Wolfgang Kreis, Erlangen, Germany Irmgard Merfort, Freiburg, Germany Kurt Schmidt, Graz, Austria Thomas Simmet, Ulm, Germany Hermann Stuppner, Innsbruck, Austria Yang-Chang Wu, Kaohsiung, Taiwan Yang Ye, Shanghai, China Editorial Offices Claudia Schärer, Basel, Switzerland Tess de Bruyne, Antwerp, Belgium Advisory Board Giovanni Appendino, Novara, Italy John T. Arnason, Ottawa, Canada Yoshinori Asakawa, Tokushima, Japan Lars Bohlin, Uppsala, Sweden Gerhard Bringmann, Würzburg, Germany Reto Brun, Basel, Switzerland Mark S. Butler, Singapore, R. of Singapore Ihsan Calis, Ankara, Turkey Salvador Caæigueral, Barcelona, Spain Hartmut Derendorf, Gainesville, USA Verena Dirsch, Vienna, Austria Jürgen Drewe, Basel, Switzerland Roberto Maffei Facino, Milan, Italy Alfonso Garcia-Piæeres, Frederick MD, USA Rolf Gebhardt, Leipzig, Germany Clarissa Gerhäuser, Heidelberg, Germany Jürg Gertsch, Zürich, Switzerland Simon Gibbons, London, UK De-An Guo, Beijing, China Leslie Gunatilaka, Tuscon, USA Solomon Habtemariam, London, UK Andreas Hensel, Münster, Germany Werner Herz, Tallahassee, USA Kurt Hostettmann, Geneva, Switzerland Peter J. Houghton, London, UK Jinwoong Kim, Seoul, Korea Gabriele M. König, Bonn, Germany Ulrich Matern, Marburg, Germany Matthias Melzig, Berlin, Germany Dulcie Mulholland, Guildford, UK Eduardo Munoz, Cordoba, Spain Kirsi-Marja Oksman-Caldentey, Espoo, Finland Ana Maria de Oliveira, S¼o Paulo, Brazil Nigel B. Perry, Dunedin, New Zealand Joseph Pfeilschifter, Frankfurt, Germany Peter Proksch, Düsseldorf, Germany Thomas Schmidt, Münster, Germany Volker Schulz, Berlin, Germany Hans-Uwe Simon, Bern, Switzerland Leandros Skaltsounis, Athens, Greece Han-Dong Sun, Kunming, China Benny K. H. Tan, Singapore, R. of Singapore Ren Xiang Tan, Nanjing, China Deniz Tasdemir, London, UK Nunziatina de Tommasi, Salerno, Italy Arnold Vlietinck, Antwerp, Belgium Angelika M. Vollmar, München, Germany Heikki Vuorela, Helsinki, Finland Jean-Luc Wolfender, Geneva, Switzerland De-Quan Yu, Beijing, China Georg Thieme Verlag KG Stuttgart · New York Rüdigerstraße 14 D-70469 Stuttgart Postfach 30 11 20 D-70451 Stuttgart Thieme Publishers 333 Seventh Avenue New York, NY 10001 Planta Medica An International Journal of Natural Products and Medicinal Plant Research