期刊
NATURAL PRODUCT RESEARCH
卷 28, 期 11, 页码 795-807出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2014.883392
关键词
Eryngium tricuspidatum L.; essential oil; GC/MS; a-bisabolol; antibacterial and antifungal activities; DPPH antioxidant power; ferric reducing antioxidant power assay
This study describes the chemical composition and evaluates the antibacterial and the cytotoxic effects of the essential oil from the flowers of Convolvulus althaeoides. Its chemical composition, determined by GC and GC-MS, is reported for the first time. A total of 24 compounds, accounting for 95.5% of the total oil, have been identified. The oil was characterised by a high proportion of sesquiterpene hydrocarbons (36.3%), followed by oxygenated sesquiterpenes (34.7%) and oxygenated monoterpenes (24.5%). The main compounds were germacrene D (12.5%), T-cadinol (11.8%) and verbenone (6.9%). The essential oil was tested for its antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Enterococcus faecalis and the clinical strain Acinetobacter sp. as well as facts cytotoxic activity towards the human breast cancer cells MCF-7. This oil did not exhibit significant antibacterial activity against the tested bacteria; however, it exerted a significant cytotoxic activity against the tested cell line (IC50=8.16 mu g/mL).
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