بررسی تأثیر میدان‌های مغناطیسی استاتیک و دینامیک بر برخی ویژگی‌های شیمیایی حبه‌ی انار

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه بوعلی سینا، همدان، ایران

2 گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشکاه بوعلی سینا، همدان، ایران

3 گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه بوعلی سینا، همدان، ایران

چکیده

        تاکنون تحقیقی در زمینه بررسی اثر میدان مغناطیسی بر ویژگی­های محصولات کشاورزی در مرحله پس­از­برداشت دیده نشده است. در این پژوهش، یک دستگاه مغناطیس با قابلیت ایجاد میدان­های استاتیک و دینامیک ساخته شد و سپس تأثیر آن با چگالی شار مغناطیسی 2784 و 8240 گاوس در زمان مغناطیسی­شدن یک و 12 ساعت بر درصد مواد جامد در محلول، pH، ظرفیت آنتی­اکسیدان کل و ترکیبات فنولی کل حبه­های انار بررسی شد. در بین شاخص­های شیمیایی، تأثیر میدان مغناطیسی بر ظرفیت آنتی­اکسیدان کل حبه­های انار معنی­دار بود. به طوری که میدان مغناطیسی دینامیک با شدت 8240 گاوس در زمان مغناطیسی­شدن یک ساعت، سبب افزایش ظرفیت آنتی­اکسیدان کل حبه­های انار به میزان 32/13% شد. در صورتی که در زمان مغناطیسی­شدن 12 ساعت، سبب کاهش آن به میزان 08/11% گردید. با در نظرگرفتن نتایج، تأثیر میدان مغناطیسی دینامیک از میدان مغناطیسی استاتیک و تأثیر چگالی شار مغناطیسی 8240 گاوس از 2784 گاوس بیشتر بود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The Effect of Static and Dynamic Magnetic Fields on Some Chemical Properties of Pomegranate Arils

نویسندگان [English]

  • Behnam Alaei 1
  • Reza Amiri Chayjan 2
  • Hassan Sarikhani 3
1 Department of Biosystems Engineering, Faculty of Agriculture, University of Bu Ali University, Hamedan, Iran.
2 Department of Biosystems Engineering, Faculty of Agriculture, Bu Ali Sina University, Hamedan, Iran
3 Department of Horticultural Sciences, Faculty of Agriculture, Bu Ali Sina University, Hamedan, Iran
چکیده [English]

        No study has been reported about magnetic fields effects on properties of agricultural products in the postharvest stage. In this research a static and dynamic magnetic fields apparatus was fabricated and then the field effects with magnetic flux densities of 2784 and 8240 G and magnetic time of 1 and 12 h on total soluble solids, pH, total antioxidant capacity and total phenolic compounds of pomegranate arils were investigated. Between chemical indicators, the effect of magnetic field on the total antioxidant capacity of pomegranate arils was significant. Dynamic magnetic field with flux density of 8240 G and time of 1 h caused %13/32 increase in antioxidant capacity. But magnetic time of 12 h caused %11/08 decrease in antioxidant capacity. Finally the effect of dynamic magnetic field was more than static magnetic field and magnetic flux density of 8240 G was more than 2784 G.

کلیدواژه‌ها [English]

  • magnetic field
  • Pomegranate aril
  • Total antioxidant capacity
  • Total phenolic compounds

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