المساهمة في الدراسة الإحصائية للزيت الأساسي والمحتوى الكيميائي لنبات النعناع Mentha Spicata
Résumé: The main purpose of the study was to investigate and compare the chemichal changes of different essential oils of mint: The genus Mentha and Spicata from various previous studies, this plant is widely spread here in Algeria. It belongs to the Lamiaceae, and it characterized by many therapeutic properties: antiseptic, antinervous, analgesic). The volatile oils of Mentha spicata were extracted in all regions by hydrodistillation, and different values of yield ranging from 0.87% to 3% were recorded. The chemical analysis of these essential oils was carried out by the coupled gas chromatography with mass spectrometry CPG / MS , where the predominant compounds in all regions were Carvone(48.5-71.02%) and Limonene(5.85-20.7%), which recorded the highest rates compared to other essential oils, but differed quantitatively from the region to another.
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