افزایش ماندگاری کیفیت میوه پرتقال (Citrus sinensis) با کاربرد ملاتونین خارجی از طریق بهبود برخی ویژگی‌های فیتوشیمیایی

نوع مقاله : مقاله پژوهشی لاتین

نویسندگان

• افسانه انصاری ¹
• محمد سعادتیان ²
• رامین حاجی تقی لو ¹
• کاظم صدیق محمد ²
• راوین عبدالهادی عبدالله ³
• عبدالسمیع مجید طاها ²

¹ گروه باغبانی، دانشکده کشاورزی، دانشگاه ارومیه، ارومیه، ایران

² گروه علوم پایه، دانشکده آموزش، دانشگاه سوران، سوران، عراق

³ گروه داروسازی، مؤسسه خصوصی پلی تکنیک رواندز، سوران، عراق

https://doi.org/10.22067/ifstrj.2025.91596.1399

چکیده

این مطالعه تأثیر تیمارهای ملاتونین (1 و 2 میلی‌مولار) را بر کیفیت پس از برداشت میوه پرتقال در طی 30 و 60 روز نگهداری در دمای سرد بررسی کرد. در این پژوهش، پارامترهایی مانند اسیدیته قابل تیتر (TA)، مواد جامد محلول کل (TSS)، ویتامین C، ظرفیت آنتی‌اکسیدانی، ترکیبات فنولی کل (TPC)، فلاونوئیدهای کل (TFC)، فعالیت آنزیم‌های پال (PAL) و کاتالاز (CAT)، و رنگ مورد ارزیابی قرار گرفت. ملاتونین به‌طور معنی‌داری کیفیت میوه را با حفظ سطوح بالاتر TSS، ویتامین C و ظرفیت آنتی‌اکسیدانی بهبود بخشید. هر دو تیمار به‌طور مؤثری از کاهش وزن میوه جلوگیری کرده و فعالیت آنزیم‌های آنتی‌اکسیدانی را افزایش دادند. در حالی‌که تیمار 2 میلی‌مولار ملاتونین در مراحل ابتدایی نگهداری اثربخشی بیشتری داشت، تیمار 1 میلی‌مولار در حفظ کیفیت در بازه‌های طولانی‌تر عملکرد پایدارتری نشان داد. تیمارهای ملاتونین همچنین بر ویژگی‌های رنگ میوه تأثیر گذاشتند که نشان‌دهنده بهبود احتمالی جذابیت ظاهری میوه است. این یافته‌ها پتانسیل ملاتونین را به‌عنوان نگهدارنده طبیعی برای بهبود کیفیت پس از برداشت و افزایش ماندگاری میوه پرتقال نشان می‌دهند. برای دستیابی به مدیریت مؤثر و پایدار میوه، تحقیقات بیشتری برای بهینه‌سازی غلظت‌های ملاتونین و بررسی ترکیب آن با سایر روش‌های نگهداری مورد نیاز است.

کلیدواژه‌ها

• آنتی‌اکسیدان
• آنزیم PAL
• پس از برداشت
• کاهش وزن
• کیفیت میوه

موضوعات

• فناوری مواد غذایی

عنوان مقاله [English]

Exogenous Melatonin Application Prolongs Citrus Fruits (Citrus sinensis) Shelf-life Quality by Enhancing Some Phytochemical Traits

نویسندگان [English]

• Afsaneh Ansari ¹
• Mohammad Saadatian ²
• Ramin Haji-Taghilou ¹
• Kadhim Sedeeq ²
• Rawen Abdulhadi ³
• Abdulsameea Majeed ²

¹ Horticulture Department, Faculty of Agriculture, Urmia University, Urmia, Iran

² General Science Department, Faculty of Education, Soran University, Soran, Iraq

³ Department of Pharmacy, Rwandz Private Technical Instiute, Soran, Iraq

چکیده [English]

This study investigated the impact of melatonin treatments (1 mM and 2 mM) on the post-harvest quality of orange fruit during 30 and 60 days of cold storage. Parameters such as titratable acidity (TA), total soluble solids (TSS), vitamin C, antioxidant capacity, total phenolic compounds (TPC), total flavonoids compounds (TFC), enzymatic activities (PAL, CAT), and color were evaluated. Melatonin significantly improved fruit quality by maintaining higher levels of total soluble solids, vitamin C, and antioxidant capacity. Both treatments effectively reduced weight loss and enhanced the activity of antioxidant enzymes. While 2 mM melatonin showed greater efficacy in the initial stages of storage, 1 mM demonstrated better stability in maintaining quality over extended periods. Melatonin treatments also influenced color parameters, suggesting potential improvements in visual appeal. These findings highlight the potential of melatonin as a natural preservative for enhancing the post-harvest quality and extending the shelf life of orange fruit. Further research is needed to optimize melatonin concentrations and explore its integration with other preservation techniques for sustainable and efficient fruit management.

کلیدواژه‌ها [English]

• Antioxidant
• Fruit quality
• Post-harvest
• PAL enzyme
• Weight loss

©2025 The author(s). This is an open access article distributed under Creative Commons Attribution 4.0 International License (CC BY 4.0)

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