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EnglishThe essential oils obtained by water distillation from the aerial parts of Helichrysum italicum G. Don subsp. microphyllum (Willd.) Nym. were analyzed by GC and GC/MS. Three different populations growing at different elevations and under different weather conditions were studied from their vegetative period to post-blooming time. Forty-eight constituents accounting for between 96.5% and 83.0% of total oils have been identified and quantified. Among the identified constituents those present in the highest percentage were neryl acetate (17.6-35.6%), nerol (3.7-14.4%) and eudesmen-5-en-11-ol (6.4-23.5%). Among them, the neryl acetal percentage decreased when 5-eudesmen-11-ol percentage increased, and limonene reached 7% relative composition. The main fraction of the oil consisted of oxygenated compounds present in higher concentrations in June. © 2010 Allured Business Media.
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| Titolo: | Chemical composition and variation of essential oil of wild Sardinian Helichrysum italicum G. don ssp. Microphyllum (Willd) Nym. from vegetative period to post blooming time | |
| Autori: | ||
| Data di pubblicazione: | 2010 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/11388/49410 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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