Extraction et caractérisation des principaux constituants chimiques des trois plantes aromatiques de la Famille des Lamiacées : Mentha viridis, Rosmarinus officinalis et Salvia officinalis

Abstract

Herbal medicine is a traditional medicine which is used by the population around the world, it is also the knowledge and the use of therapeutic properties of plants that contains mainly secondary metabolites. This work reviews the interest of the botanical family (Lamiaceae) such as Rosmarinus officinalis, Salvia officinalis and Mentha viridis, which are used by the Algerian population and can be used therapeutically or cosmetically. In this work we extracted the raw extracts of medicinal plants from the lamiaceae family by methanolic and ethanolic maceration and tried toweigh the flavonoids and alkaloids in each dry crude extract during different times. A phytochemical study of the three plants revealed the presence of active ingredients such as flavonoids, alkaloids, tannins, in very large quantities which have an antioxidant effect.