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Study the effect of agar extraction pH on its yield and physical properties from the Syrian marine alga Pterocladia capillacea

دراسة تأثير درجة pH استخلاص الأغار في مردوده و خواصه الفيزيائية من الطحلب البحري السوري Pterocladia capillacea

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 Publication date 2017
and research's language is العربية
 Created by Shamra Editor




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The research aims to study is to study the effect of the pH factor of Pterocladia capillacea on agar yield and some of its physical properties using different degrees of pH (4- 5.5 - 5.5 - 6.5 - 7.5 - 7.5 - 8). The maximum yield of agar was 37.45% at pH = 5 and 562g / cm2 and viscosity 10.7cP and 15.45% at pH = 8 with the highest strength of 768 g /cm2 and viscosity of cP 156. The degree of melting and melting of agar Between (22- 33.5 οC) and (75- 86 οC), respectively.


Artificial intelligence review:
Research summary
تهدف هذه الدراسة إلى دراسة تأثير درجة الحموضة (pH) على مردود الأغار وبعض خصائصه الفيزيائية المستخلصة من الطحلب البحري السوري Pterocladia capillacea. تم استخدام درجات مختلفة من pH تتراوح بين 4 و8. أظهرت النتائج أن أعلى مردود للأغار كان عند درجة pH=5 بنسبة 37.45%، بينما كانت أعلى قوة تهلم ولزوجة عند درجة pH=8. تراوحت درجة تهلم وذوبان الأغار بين 22 و33.5 درجة مئوية و75 و86 درجة مئوية على التوالي. تشير النتائج إلى أن درجة الحموضة تؤثر بشكل كبير على مردود وخصائص الأغار الفيزيائية، مما يتيح إمكانية تحسين جودة الأغار المستخلص لاستخدامه في مجالات متعددة.
Critical review
دراسة نقدية: تقدم هذه الدراسة معلومات قيمة حول تأثير درجة الحموضة على مردود وخصائص الأغار المستخلص من الطحلب البحري السوري Pterocladia capillacea. ومع ذلك، هناك بعض النقاط التي يمكن تحسينها. أولاً، كان من المفيد تضمين مقارنة مع أنواع أخرى من الطحالب البحرية لتحليل الفروق في الخصائص والمردود. ثانياً، لم يتم التطرق بشكل كافٍ إلى التطبيقات العملية للأغار المستخلص وكيف يمكن تحسينه للاستخدام في الصناعات المختلفة. أخيراً، كان من الممكن تقديم تحليل أكثر تفصيلاً للبيانات الإحصائية لتعزيز موثوقية النتائج.
Questions related to the research
  1. ما هي أعلى درجة pH تحقق أعلى مردود للأغار؟

    أعلى مردود للأغار تحقق عند درجة pH=5 بنسبة 37.45%.

  2. كيف تؤثر درجة pH على قوة تهلم الأغار؟

    تزداد قوة تهلم الأغار مع زيادة درجة pH، حيث كانت أعلى قوة تهلم عند درجة pH=8.

  3. ما هي درجة حرارة ذوبان الأغار عند درجة pH=7؟

    درجة حرارة ذوبان الأغار عند درجة pH=7 كانت 85 درجة مئوية.

  4. ما هي العلاقة بين درجة pH ومردود الأغار؟

    هناك علاقة عكسية بين درجة pH ومردود الأغار، حيث ينخفض المردود مع زيادة درجة pH.


References used
ARMISEN, R. and F. GALATAS. Production and properties and uses of agar. In: (D. S. McHugh, ed.) Production and Utilization of Products from Commercial Seaweeds FAO, 1987, pp. 1-57
ARMISEN, R. and GALATAS, F. Agar. In G. O. Phillips & P. A. Williams (Eds.), Handbook of hydrocolloids, Cambridge. England. CRC Press, 2000, pp. 21–40
ARMISEN, R.; GALATAS, F.; PHILLIPS, G.; and WILLIAMS, P. Agar. In G. Phillip & P. William (Eds.), Handbook of hydrocolloids ,Cambridge: Woodhead Publishing Limited, 2009 , pp. 82-107
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