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Research Journal of Pharmacognosy، جلد ۱، شماره ۳، صفحات ۱-۶
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عنوان انگلیسی Seasonal variations of Laurus nobilis L. leaves volatile oil components in Isfahan, Iran
چکیده انگلیسی مقاله Laurus nobilis L. (sweet laurel) is one of the volatile oil bearing plants of Lauraceae family. It is cultivated in different parts of Iran and its leaves and fruits have been used in food, cosmetics and pharmaceutical industries. There are a few reports about the effects of some environmental conditions on the quality and quantity of laurel volatiles. The goal of our work was to search the seasonal variations on the L. nobilis leaves volatile composition. The volatiles of four samples of the dried leaves of L. nobilis collected in March, June, September and December 2009 in Isfahan, Iran were prepared by using a Clevenger type apparatus for 3 hours and were analyzed by gas chromatography-mass spectroscopy. Twenty-nine, thirty-one, thirty-three and thirty-four components consisting 96.91%, 97.66%, 97.46% and 95.44% of the total compounds were identified of the volatiles obtained with yields of 1.1%, 1.5%, 1.4% and 0.8% (w/w), subsequently. The main compound was found to be 1,8-cineole (30.80-40.25%). Although twenty-seven out of thirty-six volatile components were similar in different seasons, there were some differences between other compounds of our four samples. While the essential oil composition of the March and June plant samples were characterized by presence of 1,8-cineole, δ-3-carene and camphor, the volatiles of September and December plant samples contained 1,8-cineole, camphene and sabinene. Some compounds like eugenol, methyl eugenol and α-terpenyl acetate were not affected apparently by seasonal changes.
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نویسندگان مقاله y شکوهی نیا |
novel drug delivery research center and department of pharmacognosy and biotechnology, school of pharmacy, kermanshah university of medical sciences, kermanshah, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (Kermanshah university of medical sciences)

a یگدانه |
department of pharmacognosy and isfahan pharmaceutical sciences research centre, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

g امین |
department of pharmacognosy, faculty of pharmacy, tehran university of medical sciences, tehran, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

a قنادی |
department of pharmacognosy and isfahan pharmaceutical sciences research centre, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

نشانی اینترنتی http://www.rjpharmacognosy.ir/article_5769_f9f1ce2c69b7cdba2863c8f15cf7c39e.pdf
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