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Effect of Cool Storage Period and Wrapped on Fruit Losses of Two Local Grape Varieties (Balady and Helwany)

تأثير مدة التخزين بالتبريد و التغليف في فقد ثمار صنفين من العنب المحليين (البلدي و الحلواني)

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 Publication date 2010
and research's language is العربية
 Created by Shamra Editor




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This study was conducted to examine the effect of storage period and fruit wrapped of two local grapes varieties (Balady and Helwany) using polyethylene bags of 50 μm thickness on some losses of grapes berry . the study estimated the weight loss percent, berry shatter, berry spoilage and the total losses for the varieties as a function to storage period and packing of grapes berry. Results showed that there is a high correlation between the storage period and the weight loss, berry shatter, spoilage and the total losses of fruits, where this action started after 3 weeks of the beginning of storage. The average percents of weight loss after 100 days storage were 11.75 % and 8.43% for Balady and Helwany respectively, the berry shatter percents were 6.20% and 5.52% respectively for Balady and Helwany, the spoilage percents were 9.50% and 7.20% for Balady and Helwany respectively and the total losses for tow varieties were 20.1% and 13.63% for Balady and Helwany respectively. The previous values decreased clearly by using bags of polyethylene of 50 μm thickness as follows: 9.47% and % 6.82 for weight losses, 3.10 % and 1.8% for berry shatter, 7.20% and 3.51% for spoilage and the total losses 16% and 10.1% for Balady and Helwany respectively.


Artificial intelligence review:
Research summary
تُجرى هذه الدراسة لفحص تأثير فترة التخزين وتغليف الفاكهة على خسائر نوعين محليين من العنب (بلدي وهلواني) باستخدام أكياس البولي إيثيلين بسمك 50 ميكرومتر. تم تقدير نسبة فقدان الوزن، تساقط الحبات، التلف الكلي، والخسائر الإجمالية كدالة لفترة التخزين وتغليف العنب. أظهرت النتائج وجود علاقة قوية بين فترة التخزين وفقدان الوزن، تساقط الحبات، التلف والخسائر الإجمالية، حيث بدأت هذه العملية بعد 3 أسابيع من بداية التخزين. كانت متوسط نسب فقدان الوزن بعد 100 يوم من التخزين 11.75% و8.43% للعنب البلدي والهلواني على التوالي، وكانت نسب تساقط الحبات 6.20% و5.52% على التوالي، وكانت نسب التلف 9.50% و7.20% على التوالي، وكانت الخسائر الإجمالية 20.1% و13.63% على التوالي. انخفضت هذه القيم بشكل واضح باستخدام أكياس البولي إيثيلين بسمك 50 ميكرومتر إلى 9.47% و6.82% لفقدان الوزن، 3.10% و1.8% لتساقط الحبات، 7.20% و3.51% للتلف، والخسائر الإجمالية 16% و10.1% للعنب البلدي والهلواني على التوالي.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مفيدة في فهم تأثير فترة التخزين والتغليف على خسائر العنب، ومع ذلك، هناك بعض النقاط التي يمكن تحسينها. أولاً، كان من الأفضل تضمين المزيد من التفاصيل حول الظروف البيئية التي تم فيها التخزين، مثل درجة الحرارة والرطوبة، لأنها عوامل مؤثرة بشكل كبير على جودة الفاكهة. ثانياً، كان من الممكن توسيع نطاق الدراسة لتشمل أنواع أخرى من العنب أو حتى فواكه أخرى لتقديم نتائج أكثر شمولية. أخيراً، كان من المفيد تضمين تحليل اقتصادي لتكلفة استخدام أكياس البولي إيثيلين بسمك 50 ميكرومتر مقارنة بالفوائد التي تقدمها في تقليل الخسائر.
Questions related to the research
  1. ما هي نسبة فقدان الوزن للعنب البلدي بعد 100 يوم من التخزين؟

    كانت نسبة فقدان الوزن للعنب البلدي بعد 100 يوم من التخزين 11.75%.

  2. كيف يؤثر استخدام أكياس البولي إيثيلين بسمك 50 ميكرومتر على تساقط الحبات للعنب الهلواني؟

    استخدام أكياس البولي إيثيلين بسمك 50 ميكرومتر يقلل من تساقط الحبات للعنب الهلواني إلى 1.8%.

  3. ما هي الخسائر الإجمالية للعنب البلدي بعد 100 يوم من التخزين بدون تغليف؟

    كانت الخسائر الإجمالية للعنب البلدي بعد 100 يوم من التخزين بدون تغليف 20.1%.

  4. ما هو تأثير فترة التخزين على التلف الكلي للعنب البلدي والهلواني؟

    تؤدي فترة التخزين إلى زيادة التلف الكلي للعنب البلدي والهلواني، حيث بلغت نسب التلف 9.50% و7.20% على التوالي بعد 100 يوم.


References used
Al. Bachir, M. (1996). Storability of some grape varieties in Syria Arab Gulf. J. Science. Res., 14. (1), pp 101-110
Al. Bashir, M. (1998). Use of gamma-irradiation and sulphur dioxide to improve storability of two Syrian grape cultivars (Vitis vinifera), international of Food Scie. & Tech., Vol.33, No.6, pp. 521 - 526
Brady, P. L., and Morris, J. R. (2009). Good Agricltural and Handling practices for grapes and other fresh produce., Univ. Of Arkansas, Reserch rep.984
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