COMPARISON OF TLC AND HPLC FINGERPRINTS OF PHENOLIC ACIDS AND FLAVONOIDS FRACTIONS DERIVED FROM SELECTED SAGE (SALVIA) SPECIES
2012
This study is part of a larger project on the contents and composition of essential oils, phenolic acids, and flavonoids originating from over twenty species belonging to the Salvia genus. These herbs are recognized in the traditional European pharmacy and cuisine for their curative and aromatic properties, and yet they have not attracted sufficient attention from the side of phytochemists. Thus, it seemed inevitable to focus on the contents of the phenolics in the individual sage species, basically due to the recognized antioxidant properties of this class of compounds. In this paper, we compared the results of a spectrophotometric assessment of the overall contents of phenolic acids and flavonoids (selectively extracted from twenty three different Salvia species) with those of a more detailed analysis carried out with use of HPLC/DAD and the TLC-based video imaging. Six species with the highest contents of phenolic acids and five species with the highest contents of flavonoids, and additionally Salvia o...
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