ارزیابی و مقایسه فعالیت آنتیاکسیدانی، محتوای فنل و فلاونوئید عصاره گیاه دارویی Artemisia annua L. تحت تاثیر روشهای مختلف خشککردن
الموضوعات :آتنا محمدی نیا سماکوش 1 , حسین مرادی 2 , مجتبی اسماعیل زاده 3 , فاطمه دواتگر 4
1 - دانشجوی کارشناسیارشد، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران.
2 - استادیار، گروه علوم باغبانی، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران
3 - دانشجوی کارشناسیارشد، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران.
4 - دانشجوی کارشناسیارشد، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران.
الکلمات المفتاحية: استخراج, عصاره, کوئرستین, آرتمیزینین,
ملخص المقالة :
خشککردن یکی از مهمترین فرآیندهای پس از برداشت گیاهان دارویی است. در این تحقیق جهت مطالعه تاثیر روشهای مختلف خشککردن بر فعالیت آنتی اکسیدانی و فیتوشیمیایی سرشاخههای گلدار و برگهای درمنهخزری، آزمایشی بر پایه طرح کاملا تصادفی با چهار تیمار و ده تکرار در دانشگاه علوم کشاورزی و منابع طبیعی ساری در سال 1398 اجرا شد. اندامهایهوایی گیاه درمنهخزری در دی ماه از رویشگاه طبیعی از منطقه شیرگاه مازندران (ارتفاع 238 متر از سطح دریا) تهیه شد. بخشهای مختلف گیاه با استفاده از چهار روش سایه–آفتاب، آون (دمای 45 درجه سانتیگراد)، حرارت غیرمستقیم (دمای 28-32 درجهسانتیگراد) و ماکروویو، توان 520 وات خشک شدند. استخراج عصاره به روش خیساندن با متانول صورت گرفت. در مرحله اول آزمایش فعالیت آنتیاکسیدانی (DPPH)، فنلکل (فولین سیوکالتو) و فلاونوئید (آلومینیومکلرید) تمام نمونهها مورد ارزیابی قرار گرفت. نتایج نشان داد تفاوت معنیداری بین روشهای مختلف خشککردن وجود دارد. بالاترین محتوای آنتیاکسیدانکل در سرشاخههای گلدار (92/70 درصد) وبرگ (66/70 درصد) در تیمار حرارت غیرمستقیم مشاهده گردید. بیشترین میزان فنلکل (بهترتیب 56/2و 09/3 میلیگرم گالیکاسید در 100 گرم ماده خشک) متعلق به نمونه خشک شده توسط روشهای سایه-آفتاب و حرارت غیرمستقیم بود. بالاترین میزان فلاونوئیدکل (بهترتیب 45/1 و 73/3 میلیگرم کوئرستین در100 گرم ماده خشک) مربوط به نمونه حرارت غیرمستقیم و ماکروویو بود. کمترین میزان فنل، فلاونوئید و فعالیت آنتیاکسیدانی سرشاخههایگلدار و برگ در نمونههای خشک شده در آون با دمای 45 درجه مشاهده شد. در مرحله دوم آزمایش، بهترین نمونه از نظر فعالیت آنتیاکسیدانی، فنل و فلاونوئید انتخاب شده و خصوصیات آن توسط کروماتوگرافی بررسی شد. بیشترین ترکیب موجود در عصاره شامل Arteannuic acid (63/15درصد) بود. بهطور کلی خشککردن به روش حرارت غیرمستقیم باعث حفظ ترکیبات آنتی اکسیدانی شده و روش های دیگر ممکن است باعث کاهش و یا حتی تخریب اینگونه ترکیبات شوند.
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Ahmadi, F., Kadivar, M. and Shahedi, M. 2007. Antioxidant activity of Kelussia odoratissima Mozaff. in model and food systems. Food chemistry, 105(1): 57-64.
3.Amin, Z.A., Abdulla, M.A., Ali, H.M., Alshawsh, M.A. and Qadir, S.W. 2012. Assessment of in vitro antioxidant, antibacterial and immune activation potentials of aqueous and ethanol extracts of Phyllanthus niruri. Journal of the Science of Food and Agriculture, 92(9):1874-1877.
4.Alara, O.R., Abdurahman, N.H., Abdul Mudalip, S.K. and Olalere, O.A. 2019. Effects of microwave-assisted extraction parameters on the recovery yield and total phenolic content of Vernonia amygdalina leaf extracts with different methods of drying. Jundishapur Journal of Natural Pharmaceutical Products, 14(1).
5.Arslan, D., Ozcan, M.M. and Okyay Menges, H. 2010. Evaluation of drying methods with respect to drying parameters, some nutritional and colour characteristics of peppermint (Mentha × piperita L.). Energy Conver and Manage, 51: 2769- 2775.
6.Asadi, M., Nejad Ebrahimi, S., Hatami, M. and Hadian, J. 2020. Changes in secondary metabolite contents of Arnica chamissonis Less. in response to different harvest time, flower developmental stages and drying methods. J. Med. Plants, 19 (76) :69-88.
7.Asekun, O.T., Grierson, D.S. and Afolayan, A.J. 2007. Effects of drying methods on the quality and quantity of the essential oil of Mentha longifolia L subsp. Capensis. Food Chemistry, 101(3): 995-998.
9.Azizi, M.A., Rahmati, M., Ebadi, T. and Hasanzadeh Khayyat, M. 2009. The effects of different drying methods on weight loss rate, essential oil and chamazolene contents of chamomile (Matricaria recutita) flowers. Iranian Journal of Medicinal and Aromatic Plants, 25(2):182-92.
10.Besbes, S., Blecker, C., Deroanne, C., Bahloul, N., Lognay, G. and Drira, N. E. 2004. Date seed oil: phenolic, tocopherol and sterol profiles. Journal Food Lipids, 11: 5- 251.
11.Blanco, M.C.S.G., Ming, L.C., Marques, M.O.M. and Bovi, O .A. 2002a. Drying temperature effects in peppermint essential oil content and composition. Latin-American Symposiwn on the Production of Medicinal, Aromatic and Condiments Plants. Acta Hortic, 569: 1.
12.Bostani, S. and Asefi, N. 2021. The effect of drying process on the physiochemical characteristics and quality of Basil leaf leaves. Journal of Food Technology and Nutrition, pp. 5-16.
14.Caliskan, T., Maral, H., Prieto, L.M.V.G., Kafkas, E. and Kirici, S. 2017. The influence of different drying methods on essential oil content and composition of peppermint (Mentha piperita L.) in cukurova conditions. indian journal of pharmaceutical education and research, 51(3): 518-521.
15.Chan, E.W.C., Lim, Y.Y., Wong, S.K., Lim, K.K., Tan, S.P., Lianto, F.S., Martinov, M., Oztekin, S. and Muller, J. 2007. Medicinal and aromatic crops. CRC Press, United States of America. 320 p.
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24.Ferreira, J.F., Luthria, D.L. 2010. Drying affects artemisinin, dihydroartemisinic acid, artemisinic acid, and the antioxidant capacity of Artemisia annua L. leaves. Journal of agricultural and food chemistry, 58(3): 1691–1698..
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27.Gao, F., Sun, Z., Kong, F. and Xiao, J. 2020. Artemisinin-derived hybrids and their anticancer activity. European journal of medicinal chemistry, 188, 112044.
28.Ganjloo, A., Bimakr, M. and Ghorbani, M. 2019. Study the effect of different drying methods and solvent type on kinetics of phenolic compounds extraction from green pea pod and evaluation of its antiradical activity. Journal of Food Reseach, 29(2): 29–45.
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35.Hashemi, M., Ehsani, A., Aminzare, M. and Hassanzadazar, H. 2016. Antioxidant and antifungal activities of essential oils of Origanum vulgare ssp. Gracile flowers and leaves from Iran. Journal of food quality and hazards control, 3(4): 134-140.
36.Hassanzadeh, K., Hemmati, K. and Mehdipour, M. 2018. Effects of different drying methods (Technical Report: Natural method and oven) on drying time and some secondary metabolites of lemon balm (Melissa officinalis L.). Journal of Plant Production (Journal of Agricultural Sciences and Natural Resources), 25 (1): 137-143.
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39.Hossain, M.B., Barry-Ryan, C., Martin-Diana, A.B. and Brunton, N.P. 2010. Effect of drying method on the antioxidant capacity of six Lamiaceae herbs. Food Chemistry, 123(1): 85-91.
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43.Itelima, J.U. 2017. Phytochemical, antimicrobial and anti-diabetic properties of Artemisia annua L. (Sage Wort) and Plectranthus neochilus Schltr. (Blue Coleus). Journal of Biotechnology & Biomaterials, 7:43.
45.Keyhani, A., Sefidkon, F. and Monfared, A. 2014. The effect of drying and distillation methods on essential oil content and composition of Satureja sahendica Bornm. Iranian Journal of medicinal and aromatic plants, 30(2): 239-249.
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