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Tandem mass spectrometric characterization of acetylated polyhydroxy hellebosaponins,the principal steroid saponins in Helleborus niger L. roots# |
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| Authors: | Sarina M Duckstein Peter Lorenz Jürgen Conrad Florian C Stintzing |
| Institution: | 1. WALA Heilmittel GmbH, Department of Analytical Development & Research, Section Phytochemical Research, , D‐73087 Bad Boll/Eckw?lden, Germany;2. Hohenheim University, Institute of Chemistry, Bioorganic Chemistry, , D‐70599 Stuttgart, Germany |
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