Chemical Composition and Cytotoxic Activity of the Fractionated Trunk Bark Essential Oil from Tetraclinis articulata (Vahl) Mast. Growing in Tunisia.
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| Abstract |
The aim of the present research was to determine the chemical composition and the cytotoxic effects of Tetraclinis articulata trunk bark essential oil (HEE) obtained by steam distillation and five fractions obtained by normal phase silica chromatographic separation. Chemical analysis allowed the identification of 54 known compounds. Relatively high amounts of oxygenated sesquiterpenes (44.4-70.2%) were detected, mainly consisting of caryophyllene oxide (13.1-26.6%), carotol (9.2-21.2%),14-hydroxy-9-epi-(E)-caryophyllene (3.2-15.5%) and humulene epoxide II (2.6-7.2%). The cytotoxic activity against human mammary carcinoma cell lines (MDA-MB-231) and colorectal carcinoma cell lines (SW620) of the essential oil and its fractions were assessed. All the samples displayed moderate to weak activity compared to 5-fluorouracil. The colorectal carcinoma cell line was relatively more sensitive to the essential oil and its fractions compared to the breast cancer cell line, showing IC50 values from 25.7 to 96.5 μg/mL. In addition, the essential oil and its fraction E.2 revealed a cytotoxic activity against colorectal carcinoma cell line, with IC50 values lower than 30 μg/mL. This is the first report on the chemical composition and cytotoxic activity of the trunk bark essential oil of T. articulata.
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| Authors | Salma Jlizi, Aida Lahmar, Afifa Zardi-Bergaoui, Roberta Ascrizzi, Guido Flamini, Abdel Halim Harrath, Leila Chekir-Ghedira, Hichem Ben Jannet |
| Journal | Molecules (Basel, Switzerland) (Molecules) Vol. 26 Issue 4 (Feb 19 2021) ISSN: 1420-3049 [Electronic] Switzerland |
| PMID | 33669825 (Publication Type: Journal Article) |
| Chemical References |
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