Properties of four local apple varieties from north-west of Iran and bruise damage of them related to drop height
سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 652
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شناسه ملی سند علمی:
JR_IJABBR-1-11_028
تاریخ نمایه سازی: 26 اسفند 1394
چکیده مقاله:
One of the main factors that cause to quality loss for fresh fruit market apples is bruise damage. Amongst the factors that affect apple sensitivity to bruising, major one is drop height and area profile during the impact. In the present study, four Iranian apple varieties consisted of Atirli, Kapak, Kowse and Paiez thatwere selected and 100 fruits of each variety were picked up, then apples were dropped from three heights and some mechanical properties such as bruise diameter, bruise height, rebound height, bruise energy percent, bruise coefficient of restitution, bruise resistant percent, bruise volume, bruise energy absorb andbruise contact above were tested and measured. The value of all features found to be different fromvariety to variety. As a result, Paiez variety was firmer than others. The maximum coefficient of static friction for MDF and the minimum was for PVC.
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نویسندگان
Arman Jalali
Department of Agricultural Machinery Engineering, University of Tabriz, Iran
Hossein Ghaffari
Department of Agricultural Machinery Engineering, University of Tabriz, Iran
Farshad Soheilifard
Department of Agricultural Machinery Engineering, University of Tabriz, Iran