Effect of Harvesting Time on Content and Chemical Composition of Essential Oil from Stachys lavandulifolia Vahl (Lamiaceae)
- سال انتشار: 1397
- محل انتشار: مجله گیاهان دارویی و محصولات فرعی، دوره: 7، شماره: 2
- کد COI اختصاصی: JR_JJMPB-7-2_007
- زبان مقاله: انگلیسی
- تعداد مشاهده: 40
نویسندگان
Department of Medicinal Plants, Higher Education Center Shahid Bakeri of Miandoab, Urmia University, Urmia, Iran
Department of Medicinal Plants, Research Institute of Forests and Rangelands, Agricultureal Research, Education and Extension Organization, Tehran, Iran
Department of Horticulture, Tarbiat Modares University, Tehran, Iran
Department of Medicinal Plants, Research Institute of Forests and Rangelands, Agricultureal Research, Education and Extension Organization, Tehran, Iran
چکیده
Stachys L. one of the biggest genus of the Lamiaceae family comprises about ۲۰۰-۳۰۰ species. In this research, aerial parts essential oil composition and content of Stachys lavandulifolia Vahl (Lamiaceae)at different stages (vegetative, full flowering and initial fruiting stages) is reported. The oils obtained by water distillation method (Clevenger apparatus) and analyzed by GC and GC/MS. The results showed that the essential oils of S. lavandulifolia were affected by plant growth stages. The chemical composition varied in three harvesting times. It was found that the maximum obtained essential oil was in the flowering stage. Totally, ۳۱ constituents with the range of ۰.۱۰ – ۳۴.۱۱% in the vegetative, ۲۷ constituents with the range of ۰.۰۶ – ۳۶.۳۵% in the flowering stage and ۲۷ compounds with the range of ۰.۰۶ – ۳۷.۲% in the initial fruiting stages were identified. The highest compounds were related to the vegetative stage (۳۴ compounds) that representing ۶۳.۷۴% of oil. In this study, the highest amount of essential oil constituents in the vegetative stage belonged to germacren D (۳۴.۱۱%), n-decane (۳.۸۴%) and caryophyllene oxide (۲.۶۲%), in the flowering stage, germacren D (۳۶.۸۷%), borneol (۴.۳%), cis-thujone (۴.۲۴%), bicyclogermacrene (۴.۱۶%) & n-decane (۳.۸۸%) and in the stage of initial fruiting, germacren D (۳۷.۲%), borneol (۴.۷۶%), b-caryophyllene (۴.۲۰%), cis-thujone (۴.۱۶%) & bicyclogermacrene (۳.۹۹%).کلیدواژه ها
Stachys lavandulifolia, Germacren D, essential oilاطلاعات بیشتر در مورد COI
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