استفاده از روش کلاهک جذب رایحه جهت شناسایی ترکیبهای سه گونه گیاه معطرWisteria sinensi (Sims.) Sweet. ، Polianthestuberosa L. و Rosa × damascena Herrm.
محورهای موضوعی : فیتوشیمیمحمد باقر رضایی 1 , کامکار جایمند 2
1 - استاد بخش تحقیقات گیاهان دارویی و محصولات فرعی، موسسه تحقیقات جنگل
ها و مراتع کشور،
سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران
2 - دانشیار بخش تحقیقات گیاهان دارویی و محصولات فرعی، موسسه تحقی
قات جنگل
ها و مراتع کشور،
سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران
کلید واژه: اسانس, گلمحمدی, پیچ گلیسین, رایحه, کلاهک جذب, گل مریم, سانتولینا و هگزادینال,
چکیده مقاله :
اخیراً پیشرفتهایی درزمینه تهیه رایحه از نمونههای معطر با فن آوری جدید صورت گرفته است، از جمله آن روشهای تله گذاری توسط کلاهک (HTT) را میتوان ذکر کرد. در این تحقیق اقدام به طراحی و ساخت دستگاه جذب رایحه توسط کلاهک به همراه خلاء و حلال (VHS) شده است. نمونه های گیاهی در فروردین ماه 1393 از قطعه گیاهان دارویی باغ گیاهشناسی ملی ایران و همند ابسرد – دماوند جمع آوری شدند. سپس با دستگاه مذکور اقدام به جذب رایحه از سه گونه معطر به نامهای: گیاه پیچ گلیسین Wisteria sinensis(Sims) Sweet، گل مریم Polianthes tuberose L. و گل محمدی Rosa × damascena Herrm. گردید. ترکیبهای شیمیایی رایحه های جذب شده از گیاهان توسط دستگاهای کروماتوگرافی گازی (GC) و کروماتوگرافی گازی متصل به طیف سنج جرمی (GC/MS) مورد اندازهگیری و شناسایی قرار گرفتند. ترکیبهای عمده و فرار شناسایی شده در گل گونه پیچ گلیسین W. sinensis بهترتیب عبارت بودند از : کریزانتنون (8/28 درصد)، سانتولینا (9/22 درصد)، ان-دکانال (9/21 درصد)، و اِن – تریدکان (9/11 درصد)، مهمترین ترکیبات استخراج شده از رایحه گل محمدیR. damascena عبارت بودند از: سانتولینا (65 درصد)، (ایی) -2- هگزانال (18 درصد) و سیس-پینن هیدرات (5/3 درصد) و سپس ترکیبهای عمده در رایحه گل مریم P. tuberosa عبارت بودند از: 2،4- (ایی، ایی)- هگزادینال (4/83 درصد)، 3-اوکتانول استات (8/3 درصد) و پروپیل بوتیرات (6/3 درصد). با توجه به نتایج امکان جمعآوری ترکیبهای سبک از اندامهای معطر گیاهان در هر زمان ممکن با این روش ابداعی، امکانپذیر میباشد.
Recent progress in preparing the aromatic fragrance with new technology, including methods of trapping by Headspace trapping techniques (HTT) can be cited. In this study the design and manufactured of fragrance absorption by Vacuum headspace (VHS) were recorded with authors and then the device to absorb aromas (herbs) were selected in three aromatic species (Wisteria sinensis (Sims) Sweet; Polianthes tuberose L. and Rosa damascene Mill.) and the chemical compounds of absorb aromas were analyzed by by GC and GC/MS. Results were showed that the chrysanthenone (28.8%), santolina ( 22.9% ), undecanal (21.9%) and n-tridecane (11.9% ) were the main volatile components identified in Wisteria sinensis (Sims) Sweet while in Rosa × damascena Herrm. Include: santolina (65%) (E)-2-hexenal (18%) and cis-pinene hydrate (3.5%.). In finaly the 2,4-(E, E)-hexadienal (83.4%), 3-octanol acetate (3.8%) and propyl butyrate (3.6% ) were the main component in Polianthes tuberose L. respectively. According to these results, data were confirmed that in this method we can distinguish these aromatic compounds from plants economically with this technique are advised.
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