Separation and structural analysis of saponins in a bark extract from Quillaja saponaria Molina. |
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Authors: | L I Nord L Kenne |
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Institution: | Department of Chemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden. |
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Abstract: | Six major saponins were isolated from a bark extract from Quillaja saponaria Molina. Solid-phase extraction, followed by a two-step reversed-phase HPLC separation procedure with phosphate and ammonium acetate buffers of different pH values, was used. The compounds were characterised using NMR spectroscopy, mass spectrometry and chemical methods. |
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