Planta Medica, Table of Contents Planta Med 1987; 53(6): 546-548DOI: 10.1055/s-2006-962808 Full Papers © Georg Thieme Verlag Stuttgart · New YorkPurification of Secologanin from Lonicera tatarica Extracts Using RLCCA. Hermans-Lokkerbol, R. Verpoorte Center for Bio-Pharmaceutical Sciences, Department of Pharmacognosy, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands. Recommend Article Abstract PDF Download Buy Article Abstract Several solvent systems have been studied for the isolation of secologanin from Lonicera tatarica extracts by means of RLCC. Solvent systems containing ethyl acetate or butanol as water-immiscible components proved to be most suited. PDF (196 kb)