مقایسه قندها، ترکیبات مختلف، اسیدهای آلی و ترکیبات فنولی ارقام خرمای شاهانی، پیارم و دیری

نوع مقاله : مقالات پژوهشی

نویسندگان

1 دانشگاه هرمزگان

2 دانشگاه شیراز

چکیده

در این پژوهش ترکیبات مختلف میوه شامل درصد رطوبت، پروتئین، عناصر غذایی، قندهای گلوکز و فروکتوز، کارتنوئید و اسیدهای آلی و فنولیک اسید ارقام خرمای شاهانی، پیارم و دیری مورد بررسی قرار گرفت. جهت تجزیه قندها از دستگاه کروماتوگرافی تبادل یونی با کارایی بالا (HPAEC-PAD) استفاده شد. برای تجزیه نوع و غلظت اسیدهای آلی و فنولیک اسید از دستگاه کروماتوگرافی مایع با کارایی بالا (HPLC) استفاده شد. بر اساس نتایج بدست آمده رقم شاهانی به عنوان خرمای نرم، رقم پیارم به عنوان خرمای نیمه خشک و رقم دیری به عنوان خرمای خشک از نظر برخی ترکیبات درونی تفاوت معنی داری با یکدیگر نشان دادند. رقم پیارم دارای اسید آلی بالاتری در مقایسه با دیگر ارقام بود در حالیکه دیری دارای عناصر غذایی، فنل کل و فنولیک اسید بالاتری نسبت به دو رقم دیگر بود. در هر سه رقم پتاسیم نسبت به دیگر عناصر مورد بررسی در سطح بالاتری (1170-244 میلی گرم در100 گرم) قرار داشت. شاهانی با داشتن 8/68 درصد قند دارای بیشترین قند کاهش یافته در بین ارقام مورد بررسی بود که تفاوت معنی داری با ارقام پیارم و دیری نشان داد. بیشترین میزان پروتئین در رقم دیری (3/ 7 درصد) مشاهده شد که تفاوت معنی-داری با دیگر ارقام داشت.

کلیدواژه‌ها


عنوان مقاله [English]

Sugars, Organic Acids and Phenolic Compunds in Shahani, Piarom and Deiry Date Palm

نویسندگان [English]

  • somayeh rastegar 1
  • majid rahemi 2
1 Hormozgan University
2 shiraz university
چکیده [English]

In this research different compounds such as moisture,protein,nutrition,fructose and glucose,cartenoid,organic acid,phenolic acid of piarom,shahani and deiry were studied.Suger was analyzed by (HPAEC-PAD). organic acids and phenoilc acids were studied by (HPLC). According to our result, shahani, piarom and deiry as soft, semi-dry and dry cultivars showed significant differences (p < 0.05) between most properties. Piarom has the highest organic acid compared other cultivar. Piarom has the highest organic acid, but in nutrition, total phenol and phenolic acids, deiry has first value. In three cultivars, among the minerals studied, potassium was most abundant with a concentration of 1170–2440 mg/100 g. Shahani has the highest reducing sugar (68.8%) and showed significant differences in compared to piarom and deiry. Deiry has the highest proteins (7.3%) as compared to other cultivars

کلیدواژه‌ها [English]

  • Chromatography
  • Physico-Chemical properties
  • Reducing sugars
  • Trace minerals
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