نوع مقاله : مقاله پژوهشی

نویسندگان

گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه هرمزگان، بندرعباس، ایران.

چکیده

خرما به‌عنوان یک محصول عمده کشاورزی ایران دارای ارزش غذایی بالایی می‌باشد. در این پژوهش، برخی خصوصیات فیزیکی و ترکیبات شیمیایی دو رقم خرمای پیارم و زاهدی پرورش یافته در دو منطقه حاجی‌آباد و جهرم مورد بررسی قرار گرفت. بر اساس نتایج به‎دست آمده بیشترین طول میوه (mm 6/43)، وزن گوشت (g 3/9) و خاصیت آنتی‌اکسیدانی (mgFW 57) مربوط به پیارم در منطقه حاجی‌آباد و بیشترین میزان فنل (mg/gFW 7/20)، مواد جامد محلول (%3/77) و اسید قابل تیتر(%023/0) به رقم زاهدی حاجی‌آباد تعلق داشت. گرچه ارقام خرمای جهرم در شاخص رنگ و میزان تانن نتایج بهتری از ارقام خرمای حاجی‌آباد نشان دادند. در مقایسه بین دو رقم، رقم پیارم در صفات وزن میوه(g 3/28)، درصد‌رطوبت، میزان پروتئین(% 7) و فلاونوئید (mg CEQ/gFW 2/22) نسبت به رقم زاهدی برتری داشت. در حالیکه، رقم زاهدی دارای کربوهیدرات (% 85) بالاتری بود. بنابراین در تعیین ارزش غذایی و ترکیبات مختلف میوه خرما علاوه بر رقم، مکان و شرایط آب و هوایی منطقه نقش موثری خواهند داشت.

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