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Direct metabolic fingerprinting of commercial herbal tinctures by nuclear magnetic resonance spectroscopy and mass spectrometry
Politi, Matteo; Zloh, Mire; Pintado, Manuela E; Castro, Paula M L; Heinrich, Michael; Prieto, Jose M (2009)Tinctures are widely used liquid pharmaceutical preparations traditionally obtained by maceration of one or more medicinal plants in ethanol-water solutions. Such a process results in the extraction of virtually hundreds ...