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Journal of Herbal Drugs 
(An International Journal on Medicinal Herbs)
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Asghari, J., Alimohammadzadeh, S., Mazaheritehrani, M. (2012). Essential fatty acids extracted from Portulaca oleracea L. leaves. Journal of Herbal Drugs (An International Journal on Medicinal Herbs), 3(3), 157-166.
Jila Asghari; Sohreh Alimohammadzadeh; Mohsen Mazaheritehrani. "Essential fatty acids extracted from Portulaca oleracea L. leaves". Journal of Herbal Drugs (An International Journal on Medicinal Herbs), 3, 3, 2012, 157-166.
Asghari, J., Alimohammadzadeh, S., Mazaheritehrani, M. (2012). 'Essential fatty acids extracted from Portulaca oleracea L. leaves', Journal of Herbal Drugs (An International Journal on Medicinal Herbs), 3(3), pp. 157-166.
Asghari, J., Alimohammadzadeh, S., Mazaheritehrani, M. Essential fatty acids extracted from Portulaca oleracea L. leaves. Journal of Herbal Drugs (An International Journal on Medicinal Herbs), 2012; 3(3): 157-166.

Essential fatty acids extracted from Portulaca oleracea L. leaves

Article 4, Volume 3, Issue 3, Autumn 2012, Page 157-166  XML PDF (939.68 K)
Document Type: Original article
Authors
Jila Asghari email ; Sohreh Alimohammadzadeh; Mohsen Mazaheritehrani
Department of Chemistry, Science Faculty, Golestan University, Gorgan, Iran;
Abstract
Background & Aim: Purslane (Portulaca oleracea L.), belongs to the Portulacaceace family, grows in many parts of Iran. Results of previous studies were indicated purslane is a rich source of essential fatty acids of omega-3 and omega-6.  Portulaca oleracea is a widespread weed, being the eighth common plants of the world. The Aim of current study was to compare the essential fatty acids composition in two populations of Portulaca oleracea from Gorgan and Sardasht regions.
Experimental: The oil of purslane leaves was extracted by Soxhlent apparatus using petroleum ether. Extracted oil was change into methyl ester, before analysis by gas chromatography.
Results & Discussion: The total fat contents of Gorgan and Sardasht populations were 4.71% and 4.81%, respectively. In both populations, three the essential fatty acids were detected. Linolenic acid, ranged from 105.43 to 148.97 mg FA/g, linoleic acid ranged from 30.13 to 39.31 mg FA/g, and the lowest was recorded for Arashidonic acid which ranged from 5.16 to 8.30 mg FA/g for the Gorgan and Sardasht populations, respectively.
Industrial and practical recommendations: The oil and the essential fatty acids content of purslane leaves in the Sardasht population were higher than the Gorgan population. Since the oil and essential fatty acid content were affected by different climatic and cultivation factors, the western province of Iran is better suited for cultivation of medicinal plants having great oil and essential fatty acid contents.
Keywords
Portulaca oleracea L Essential fatty acids Linolenic acid Linoleic acid
Article Title [Persian]
استخراج و تعیین مقدار اسیدهای چرب ضروری در برگ گیاه خرفه (Portulaca oleracea L)
Authors [Persian]
ژیلا اصغری; سهره علی محمد زاده; محسن مظاهری تهرانی
گروه شیمی، دانشکده علوم، دانشگاه گلستان، دانشکده علوم، گروه شیمی
Abstract [Persian]
مقدمه و هدف: گیاه خرفه (Portulaca oleracea L.) یک گونه خودرو از خانواده پورتولاکاسه است که در اغلب مناطق ایران می‌روید. بر اساس نتایج مطالعات انجام شده، این گونه منبعی غنی از اسیدهای چرب ضروری امگا-3 و امگا-6 می‌باشد. خرفه از لحاظ گستردگی، هشتمین گیاه متداول در دنیا می‌باشد. هدف از پژوهش حاضر، مقایسه‌ی میزان اسیدهای چرب ضروری در نمونه‌های دو جمعیت گرگان و سردشت می‌باشد.
روش تحقیق: روغن موجود در برگ گیاه خرفه از طریق دستگاه سوکسله و با استفاده از حلال پترولیوم اتر استخراج شد. اسیدهای چرب قبل از تزریق به کروماتوگرافی گازی، جهت بررسی کمی و کیفی، به متیل استر تبدیل شدند.
نتایج و بحث: میزان روغن استخراج شده برای نمونه گرگان و سردشت، به ترتیب 73/4% و 81/4% برای نمونه‌‌ی گرگان و سردشت بود. در هر دو نمونه سه اسید چرب ضروری شناسایی شد که بیشترین مقدار مربوط به لینولنیک اسید، به میزان 43/105 و 97/148 (میلی‌گرم اسیدچرب به گرم روغن)، پس از آن لینولئیک اسید به میزان 13/30 و 31/39 (میلی‌گرم اسیدچرب به گرم روغن) و کمترین مقدار مربوط به آراشیدونیک اسید به میزان  16/5  و 30/8 (میلی‌گرم اسیدچرب به گرم روغن)، به ترتیب برای نمونه گرگان و سردشت بود.
توصیه کاربردی/صنعتی: نتایج حاصل نشان می دهد که میزان اسیدهای چرب ضروری در نمونه سردشت بیشتر از نمونه گرگان می‌باشد که بیانگر آن است که میزان روغن و ترکیب اسیدهای چرب روغن خرفه ممکن است تحت تاثیر شرایط آب و هوایی محل رویش آن باشد.
Keywords [Persian]
خرفه اسیدهای چرب ضروری لینولنیک اسید لینولئیک اسید
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