Extracts from Thymus vulgaris and Origanum vulgare L. obtained by different separation processes: global yield and functional profile

Document Type: Original Article


Laboratory of Separation Process in Foods, Dep Chemical Engineering, Federal University of Rio Grande do Norte- UFRN, CEP 59072-970 Natal, Brazil


The aim of this study was to quantify the amount of phenolic compounds and flavonoids in extracts from Thymus vulgaris and Origanum vulgare L. and to evaluate the antioxidant activity of these extracts. Extracts were obtained by employing three different techniques: low pressure solvent extraction, Soxhlet, and ultrasound methods. The effects of phenolic and flavonoid concentrations on the percentage of inhibition of free radical activity were also analyzed. The highest amounts of phenolic compounds were obtained with Soxhlet and Low Pressure Solvent Extraction (LPSE) for thyme and oregano respectively. The highest flavonoid levels were obtained by the Soxhlet extracts for both species. All extracts showed strong antioxidant activities.

Graphical Abstract

Extracts from Thymus vulgaris and Origanum vulgare L. obtained by different separation processes: global yield and functional profile


Main Subjects

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