Search results for "UPLC-MS-DAD analysis"

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Impact of the Extraction Method on the Chemical Composition and Antioxidant Potency of Rosmarinus officinalis L. Extracts

2023

Rosmarinus officinalis L. is a dietary source that produces polyphenols as secondary metabolites. These natural compounds with potent antioxidant abilities are increasingly recommended as a supplement to inhibit oxidative stress. In the current work, we evaluated the impact of the extraction method on the chemical composition of R. officinalis extract, especially on the content of carnosic (CA) and rosmarinic (RA) acids using UPLC-MS-DAD as well as on their antioxidant potency. Four extracts of Tunisian rosemary were obtained from non-conventional extraction techniques:ultrasound-assisted extraction (UAE),supercritical extraction (SFE) and UAE and SFE combined ((UAE-SFE(I), UAE-SFE(II)). Th…

sonication<i>Rosmarinus officinalis</i> L.antioxidantUPLC-MS-DAD analysisEndocrinology Diabetes and MetabolismRosmarinus officinalis L UPLC-MS-DAD analysis antioxidant sonication supercritical extractionsupercritical extractionMolecular BiologyBiochemistry

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