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Showing 1 to 2 of 2 for “"UHPLC-PDA"”.
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Safety Assessment and Chemical Fingerprint Analysis of Medicinal Plants Commonly Consumed As Herbal Teas; Rooibos (<em>Aspalathus Linearis</em>) and Moringa (<em>Moringa Oleifera</em>)
… from rooibos tea and dietary supplements using UHPLC-PDA-MS was developed to determine14 chemical constituents. The compounds were detected in the range from 1.50-9.85 %in twenty-one dietary supplements with higher content observed for the unfermented products. The characterization and …
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Challenges in method development for analysis of selected phenothizaine drugs in biological samples: oxidation of drugs and metabolites during sample preparation
… coupled to photodiode array detection (UHPLC-PDA). During method development and validation, extraneous compounds appeared in the chromatograms. The production of unknown compounds hindered the ability to meet the validation criteria. Thus, the new objective of the research was …