Effect of oven and shade drying methods on essential oil yield and chemical composition of Kelussia odoratissima Mozaff.

Document Type : Original article


1 Medicinal Plants Department, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran

2 Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan, Iran

3 1. Medicinal Plants Department, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran 2. MedicinalPlants Program, College of Natural Sciences, University of Massachusetts, Amherst, MA, USA


Background & Aim: Kelussiaodoratissima Mozaff is a valuable plant of Apiaceae family that is used as medicinal and aromatic herb. According to the importance of drying treatment on quality and quantity of essential oil, the effect of different drying methods on essential oil yield and chemical composition of Kelussia odoratissima Mozaff was examined in this research. Experimental:  This research done in completely randomized design with three replications at Research Center for Medicinal Plants, I.A.U., Shahrekord Branch, Iran. Drying methods, included air drying at shade and ambient temperature, oven 45 °C and fresh sample. The hydro-distillation essential oil was analyzed using GC and GC/MS.  Results & Discussion: The results indicated that there was significant difference among drying methods on the essential oil yield and chemical composition. The main component was (Z)-ligustilide that significantly increased in oven-drying (68.3%), while this compound significantly decreased in fresh sample (16.6%). The main compound in fresh sample was thymol with 12.3% that had significant difference with drying treatments. Recommended applications/industries: The results indicated the positive effect drying methodology on essential oil content and oil compositions of Kelussiaodoratissima.


Article Title [فارسی]

تأثیر روش های آون و سایه خشک بر درصد و اجزای اسانس کلوس (Kelussia odoratissima Mozaff)

Authors [فارسی]

  • فرنام میرحسینی 1
  • مهدی رحیم ملک 2
  • عبدالله قاسمی پیربلوطی 3
1 گروه گیاهان دارویی، دانشگاه آزاد اسلامی واحد شهرکرد
2 گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه صنعتی اصفهان
3 1- مرکز تحقیقات گیاهان دارویی و دام پزشکی سنتی، دانشگاه آزاد اسلامی واحد شهرکرد 2- بخش گیاهان دارویی، کالج علوم طبیعی، دانشگاه ماساچوست، آمهرست، آمریکا
Abstract [فارسی]

مقدمه و هدف: کلوس ((Kelussia odoratissima Mozaff یکی از گیاهان ارزشمند خانواده چتریان Apiaceae)) است که به‌ عنوان گیاه دارویی و ادویه‌ای مورد استفاده قرار می‌گیرد. با توجه به اهمیت خشک کردن  بر کمیت و کیفیت اسانس، در این تحقیق اثر دو روش خشک کردن بر درصد و اجزای اسانس مورد بررسی قرار گرفت. روش تحقیق: آزمایش به صورت طرح کاملاً تصادفی در سه تکرار در مرکز تحقیقات گیاهان دارویی شهرکرد انجام شد. تیمارها شامل خشک کردن در دمای محیط (سایه) و آون (45 درجه سانتی گراد) و نمونه تر (گیاه تازه) بود. اجزای اسانس ها به روش تقطیر با آب به وسیله دستگاه GC و  GC/MSتجزیه و شناسایی شدند. نتایج و بحث: نتایج به دست آمده نشان داد که تفاوت معنی داری بین دو روش مورد استفاده در میزان و درصد ترکیبات اسانس وجود داشته است. بازده اسانس در روش های خشک کردن در سایه و آون به ترتیب 50/1 و 26/1 درصد بود. بیشترین درصد ترکیب اسانس در کلیه روش ها سیس لیگوستیلید بود که بیشترین میزان آن (3/68 درصد) در آون 45 درجه سانتی گراد و کمترین میزان این ترکیب در اسانس نمونه تر (6/16) درصد بود. بالاترین میزان تیمول در اسانس حاصل از نمونه تر 33/12 درصد بود که تفاوت معنی داری با سایر روش ها داشت. توصیه کاربردی صنعتی: نتایج این تحقیق تأثیر مثبت خشک کردن در دمای محیط (سایه) در افزایش بازده و ترکیبات اسانس را نشان داد.

Keywords [فارسی]

  •  کلوس  روش های خشک کردن  اسانس  ترانس لیگوستیلید
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Volume 4, Issue 4 - Serial Number 4
Special issue: Full text in Farsi and Abstract in English
Winter 2014
Pages 152-156
  • Receive Date: 11 July 2013
  • Revise Date: 06 December 2013
  • Accept Date: 12 December 2013