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The antioxidant and antiproliferative activities of the essential oils from Thymbra capitata and Thymus species grown in Portugal were evaluated. Thymbra and Thymus essential oils were grouped into two clusters: Cluster I in which carvacrol, thymol, p-cymene, α-terpineol, and γ-terpinene dominated and Cluster II in which thymol and carvacrol were absent and the main constituent was linalool. The ability for scavenging ABTS < sup > ·+ < /sup > and peroxyl free radicals as well as for preventing the growth of THP-1 leukemia cells was better in essential oils with the highest contents of thymol and carvacrol. These results show the importance of these two terpene-phenolic compounds as antioxidants and cytotoxic agents against THP-1 cells.
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Miguel, Maria Graça; Gago, Custódia; Antunes, Maria Dulce; Megías, Cristina; Cortés-Giraldo, Isabel; Vioque, Javier; Lima, A. Sofia; Figueiredo, A. Cristina (2015). Antioxidant and Antiproliferative Activities of the Essential Oils from Thymbra capitata and Thymus Species Grown in Portugal. Evidence-based Complementary and Alternative Medicine. ISSN 1741-427X. 2015, p.