نوع مقاله : مقاله پژوهشی لاتین

نویسندگان

گروه علوم باغبانی، دانشکده کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس، ایران

چکیده

این مطالعه با هدف تعیین تأثیر محلول‌پاشی قبل از برداشت ملاتونین و غوطه‌وری پس از برداشت صمغ زانتان بر کیفیت پس از برداشت میوه نارنگی Orlando tangelo  انجام شد. پس از انتخاب درختان مناسب و یکنواخت، محلول‌پاشی ملاتونین در سه غلظت0 میکرومولار 100 میکرومولار و 200 میکرومولار انجام شد. محلول‌پاشی یک ماه قبل از برداشت انجام شد و سه بار در فواصل یک هفته تکرار شد. علاوه بر این، میوه‌ها پس از برداشت در دو غلظت مختلف صمغ زانتان (0/1 و 0/2 درصد) غوطه‌ور شدند، میوه‌ها در انبار سرد در دمای 1 ± 5 درجه سانتی‌گراد نگهداری شدند. ارزیابی خصوصیات میوه در زمان برداشت و پس از 45 و 90 روز نگهداری در سردخانه انجام شد. نتایج نشان داد که محلول‌پاشی ملاتونین با غلظت 100 میکرومولار بیشترین وزن میوه و گوشت را نشان داد. علاوه بر این، تیمار ملاتونین منجر به سطوح بالاتر اسید اسکوربیک و افزایش اسیدیته میوه نسبت به شاهد شد. در طول نگهداری، میوه‌های تیمار شده با پوشش ملاتونین و زانتان کیفیت بهتری نسبت به شاهد نشان دادند. در پایان آزمایش، کمترین کاهش وزن در میوه‌های تیمار شده با 200 میکرومولار ملاتونین + 0/1 درصد زانتان مشاهده شد. بیشترین مقدار اسید اسکوربیک در 100 میکرومولار ملاتونین + 0/1 درصد زانتان مشاهده شد. حداکثر فعالیت آنتی‌اکسیدانی در 100 میکرومولار و 200 میکرومولار + 0/1 درصد زانتان و همچنین 100 میکرومولار ملاتونین به تنهایی مشاهده شد. به‌طور کلی، یافته‌ها نشان می‌دهند که محلول‌پاشی قبل از برداشت و استفاده از پوشش‌ زانتان می‌تواند استراتژی‌های مؤثری برای حفظ کیفیت Orlando tangelo در طول انبارمانی سرد باشد.

کلیدواژه‌ها

موضوعات

©2024 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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