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بررسی مشخصات فیتوشیمیایی و خاصیت آنتی‌اکسیدانی روغن و عصاره‌های اتانولی و آبی بذر Dracocephalum moldavica L. | ||
| تحقیقات گیاهان دارویی و معطر ایران | ||
| مقاله 12، دوره 38، شماره 1 - شماره پیاپی 111، فروردین 1401، صفحه 176-189 اصل مقاله (522.75 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijmapr.2022.355663.3049 | ||
| نویسندگان | ||
| سودابه مفاخری* 1؛ رحمان حلاج2؛ بهور اصغری3 | ||
| 1استادیار، گروه مهندسی علوم باغبانی، دانشکده کشاورزی و منابع طبیعی، دانشگاه بین‌المللی امام خمینی (ره)، قزوین، ایران | ||
| 2دانشیار، گروه شیمی، دانشکده علوم، دانشگاه کردستان، سنندج، ایران | ||
| 3دانشیار، گروه مهندسی علوم باغبانی، دانشکده کشاورزی و منابع طبیعی، دانشگاه بین‌المللی امام خمینی (ره)، قزوین، ایران | ||
| چکیده | ||
| بادرشبی، با نام علمی Dracocephalum moldavica L. یک گیاه دارویی و معطر علفی و یک‌ساله از خانواده نعناعیان (Lamiaceae) است. در این تحقیق، روغن و عصاره‌های آبی و اتانولی بذر بادرشبی (Dracocephalum moldavica L.) تهیه شد و صفاتی مانند کمّیت و کیفیت اسیدهای چرب، میزان فیتوسترول‌ها، مقدار ترکیب‌های فنلی و فلاونوئیدی و درصد مهار رادیکال‌های آزاد DPPH اندازه‌گیری و مقایسه شدند. روغن بذر به روش پرس سرد استخراج شد. نتایج نشان داد که بیشترین مقدار پالمتیک اسید و استئاریک اسید (به‌ترتیب 9.4% و 3.55%) در عصاره اتانولی وجود داشت. این در حالیست که بالاترین درصد اولئیک اسید (9.7%)، لینولئیک اسید (19.53%) و آلفا-لینولنیک اسید (59.01%) از روغن حاصل از پرس سرد، استخراج شد. بالاترین مقدار فیتوسترول کل (833.86 میلی‌گرم بر 100 گرم وزن خشک) از بذرهایی که با اتانول عصاره‌گیری شده بودند بدست آمد. عصاره اتانولی حاوی بیشترین مقدار گاما-توکوفرول (38.72 میلی‌گرم بر 100 گرم وزن خشک) و توکوفرول کل (39.21 میلی‌گرم بر 100 گرم وزن خشک) بود. بیشترین محتوای تام فنلی (17.4 میلی‌گرم معادل اسید گالیک بر گرم خشک نمونه) و فلاونوئیدی (112.12 میلی‌گرم معادل کوئرستین بر گرم خشک نمونه) در عصاره اتانولی بذر بادرشبی و کمترین مقدار آنها (نزدیک به صفر) در روغن دیده شد. بالاترین درصد مهار رادیکال‌های آزاد DPPH نیز در عصاره اتانولی دیده شد. به‌طورکلی، اتانول به‌عنوان بهترین حلال برای استخراج عصاره بذر بادرشبی جهت حفظ بیشتر صفات کیفی پیشنهاد می‌شود. | ||
| کلیدواژه‌ها | ||
| اتانول؛ امگا 3؛ پرس سرد؛ توکوفرول | ||
| عنوان مقاله [English] | ||
| Study on phytochemical and antioxidant properties of dragonhead (Dracocephalum moldavica L.) seed oil, ethanol, and aqueous extracts | ||
| نویسندگان [English] | ||
| S. Mafakheri1؛ R. Hallaj2؛ B. Asghari3 | ||
| 1Department of Horticultural Sciences, Faculty of Agriculture and Natural Resources, Imam Khomeini International University, Qazvin, Iran | ||
| 2Department of Chemistry, Faculty of Science, University of Kurdistan, Sanandaj, Iran | ||
| 3Department of Horticultural Sciences, Faculty of Agriculture and Natural Resources, Imam Khomeini International University, Qazvin, Iran | ||
| چکیده [English] | ||
| Dragonhead with the scientific name of Dracocephalum moldavica L., is an annual medicinal and aromatic herbaceous plant from Lamiaceae family. In this research, D. moldavica seed oil, aqueous, and ethanol extracts were prepared and quantity and quality of fatty acids, phytosterols amount, phenolic and flavonoid compounds contents, and DPPH radicals scavenging activity were measured. The seed oil was extracted by cold press method. The results showed that the highest amount of palmitic and stearic acids (9.4 and 3.55%, respectively) was obtained in the ethanol extract. While, the highest amount of oleic (9.7%), linoleic (19.53%), and α-linolenic (59.01%) acids were found in the oil. The ethanol extract exhibited the highest amount of total phytosterol (833.86 mg.100 g-1 DW), γ-tocopherol (38.72 mg.100 g-1 DW), and total tocopherol (39.21 mg.100 g-1 DW). The highest total phenolic (17.4 mg GAE.g-1 DW) and flavonoid (112.12 mg QE.g-1 DW) contents were found in the ethanol extract of seeds and lowest of them (near to zero) was found in the seed oil. Also, the ethanol extract showed the highest DPPH radicals scavenging activity. Overall, ethanol is recommended as the best solvent for extracting dragonhead seed extract to maintain more qualitative properties. | ||
| کلیدواژه‌ها [English] | ||
| Ethanol, omega 3, cold press, tocopherol | ||
| مراجع | ||
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