Browsing by Author "a52069e5-b948-4e75-a6ef-3a72c0991319"
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Christen, Philippe; Bieri, Stefan; Muñoz Muñoz, Orlando (2009)A purified stem bark extract from Schizanthus grahamii was analyzed by combining capillary gas chromatography with a selective nitrogen phosphorus detector, mass spectrometry and Fourier transform infrared spectroscopy. ...
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Bieri, Stefan; Varesio, Emmanuel; Veuthey, Jean Luc; Muñoz Muñoz, Orlando; Tseng, Li Hong; Braumann, Ulrich; Spraul, Manfred; Christen, Philippe (2006)Two fully automated HPLC-NMR methods are reported and compared for the structure elucidation of four isomeric tropane alkaloids from the stem-bark of an endemic Chilean plant, Schizanthus grahamii Gill. (Solanaceae). The ...
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Jordan, Miguel; Humam, Munir; Bieri, Stefan; Christen, Philippe; Poblete, Estrella; Muñoz Muñoz, Orlando (PERGAMON-ELSEVIER SCIENCE LTD, 2006-03)A rapid in vitro propagation system leading to formation of shoots from callus, roots, and plantlets was developed for Schizanthus hookeri Gill. (Solanaceae), an endemic Chilean plant. The genus Schizanthus is of particular ...