نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی‌ارشد شیمی آلی، گروه علوم پایه، واحد سبزوار، دانشگاه آزاد اسلامی، سبزوار، ایران

2 دانشیار، گروه کشاورزی، واحد سبزوار، دانشگاه آزاد اسلامی، سبزوار، ایران

3 دانشیار، گروه علوم پایه، واحد سبزوار، دانشگاه آزاد اسلامی، سبزوار، ایران

چکیده

زمینه و هدف  روش‌های معمول سنتز نانوذرات، نقایصی مانند ساختار ضعیف، نرخ تولید کم، هزینه تولید بالا و نیاز به انرژی زیاد دارد. از این رو، امروزه گرایش به استفاده از منابع گیاهی، به‌عنوان یکی از مناسب‌ترین روش‌های سنتز نانوذرات، مورد توجه محققان قرار گرفته است. رازیانه (Foeniculum vulgare) یکی از گیاهان دارویی بسیار مهم در ایران است که پتانسیل سنتز نانوذرات از عصاره‌های بذر یا اندام هوایی آن وجود دارد. در این مطالعه، امکان سنتز سبز نانو ذرات آهن صفر با استفاده از عصاره‌های بذر رازیانه مورد بررسی قرار گرفت.
مواد و روش‌ها در این بررسی از عصاره بذر برای سنتز سبز نانو ذرات آهن استفاده شد. خصوصیات آنتی‌اکسیدانی و میزان کل ترکیبات فنولی عصاره بذر و عصاره حاوی ذرات نانو آهن تعیین شد. بررسی ساختاری نانوذرات آهن با استفاده از میکروسکوپ الکترونی روبشی انجام شد.
یافته‏ها تشکیل نانوذرات آهن با تغییر رنگ محلول از زرد به قهوه‌ای تأیید شد. هم در عصاره حاوی بذر و هم در عصاره حاوی نانوذرات آهن، خصوصیت آنتی‌اکسیدانی مشاهده شد و افزودن نانوذرات آهن، سبب افزایش خصوصیات آنتی‌اکسیدانی رازیانه شد. بررسی ساختاری نانوذرات آهن با استفاده از میکروسکوپ الکترونی روبشی نشان داد که شکل ذرات کروی و ابعاد آن 200 نانومتر می‌باشد.
نتیجه‌گیری نتایج این آزمایش نشان داد می‌توان از عصاره بذر رازیانه برای سنتز نانوآهن صفر ظرفیتی استفاده کرد و افزایش نانوذرات آهن صفر، سبب افزایش خاصیت آنتی‌اکسیدانی آن می‌شود.

کلیدواژه‌ها

عنوان مقاله [English]

Green Synthesis of Iron Nano Particles Using Fennel (Foeniculum vulgare) Extract and its Antioxidant Properties

نویسندگان [English]

  • Abolfazel Mossavi 1
  • Mohammad Armin 2
  • Hashem Akhlaghi 3

1 M. Sc. Student, Department of Basic science, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran

2 Associate Prof. Department of Agronomy, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran

3 Associate Prof. Department of Basic science, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran

چکیده [English]

Introduction: Typical nanoparticle synthesis methods have disadvantages such as poor structure, low production rate, high production cost and high energy requirement. Therefore, today the tendency to use plant resources as one of the most suitable methods of nanoparticle synthesis is taken into consideration by researcher attention. Foeniculum vulgare is one of the most important medicinal plants in Iran that has the potential to synthesize nanoparticles from its seed or shoot extracts. In this study, the possibility of green synthesis of zero iron nanoparticles using fennel seed extracts was investigated.
  Materials and Methods: In this study, seed extract was used to synthesize green nanoparticles of iron particles.The antioxidant properties and the total amount of phenolic compounds of seed extract and extract containing nano-iron particles were determined. Structural analysis of iron nanoparticles was performed using scanning electron microscopy.
Results: The formation of iron nanoparticles was confirmed by changing the color of the solution from yellow to brown. Both in the extract containing the seeds and in the extract containing iron nanoparticles, antioxidant properties were observed and adding iron nanoparticles increased the antioxidant properties of fennel. Structural analysis of iron nanoparticles using scanning electron microscopy showed that the shape of spherical particles and its dimensions are 200 nm.
Conclusion: The results of this experiment showed that the fennel seed extract can be used to synthesize nanoscale zero-valent iron particles, and increasing the Zero nanoparticles increases its antioxidant properties. Received

کلیدواژه‌ها [English]

  • Antibacterial activity
  • Fennel
  • Iron nanoparticles
  • Green synthesis
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