تأثير تركيب الاوساط الغذائية و المغذيات واشعة جاما على إنتاج الكتلة الحيوية والدهون من الطحلب الدقيق الاخضر Dictyochloropsis splendida ، كمواد خام واعده للديزل الحيوى

محتوى المقالة الرئيسي

Sanaa Mahmoud Metwally Shanab
Mervat Aly Mohamed Abo-State
Hamdy Elsayed Ahmed Ali

الملخص

يعتمد إنتاج الديزل الحيوي من الطحالب الدقيقة على إنتاج الكتلة الحيوية ومحتوى الدهون. يتم التحكم في زياده انتاج الكتلة الحيوية و تراكم الدهون بواسطة عدة عوامل.فى هذا العمل تم دراسة تأثيرات ثلاث اوساط غذائيه خاصة بزراعة الطحالب ( BG11, BBM, Urea media) وايضا بعض المغذيات)النيتروجين والفوسفورو المغنيسيوم والكربون) واشعة جاما على نمو وانتاج الدهون لطحالب Dictyochloropsis splendida. تم الحصول علي أعلي انتاج للكتله الحيويه والدهون لطحلب Dictyochloropsis splendida  عندما تم زراعة الطحلب على الوسط الغذائي BG11 . علاوة على ذلك كان اعلى انتاجية للكتله الحيويه عند 3000 مليجرام / لتر نيتروجين او 160 مليجرام / لتر فوسفور او 113 مليجرام/لتر مغنسيوم او 20 مليجرام/ لتر كربونات.  بينما عند غياب المغذيات فان تراكم الدهون زاد. من ناحية اخرى فان المحتوى الدهنى للطحلب وصل الى 18.26% عندما تعرضت خلايا الطحلب لجرعة 25 جراى من اشعة جاما. وكانت  الدهون المستخلصة من الطحلب تتكون من نسبة عالية من الاحماض الدهنية المشبعة (SFAs, 63.33% ) والاحماض الدهنية الغيرمشبعة (UFAs, 37.02%) وكانت السيادة لحمض البالمتيك (C16:0) ثم حمض اللينوليك (C18:2) فحمض بنتاديكانويك (C15:0) وحمض بالميتوليك (C16:1). و تمثل الاحماض الدهنية المستخلصه من طحلب Dictyochloropsis splendida بهذا التركيب مواد خام واعدة لانتاج الديزل الحيوي.

تفاصيل المقالة

كيفية الاقتباس
1.
تأثير تركيب الاوساط الغذائية و المغذيات واشعة جاما على إنتاج الكتلة الحيوية والدهون من الطحلب الدقيق الاخضر Dictyochloropsis splendida ، كمواد خام واعده للديزل الحيوى. Baghdad Sci.J [انترنت]. 1 فبراير، 2022 [وثق 24 نوفمبر، 2024];19(1):0043. موجود في: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/5377
القسم
article

كيفية الاقتباس

1.
تأثير تركيب الاوساط الغذائية و المغذيات واشعة جاما على إنتاج الكتلة الحيوية والدهون من الطحلب الدقيق الاخضر Dictyochloropsis splendida ، كمواد خام واعده للديزل الحيوى. Baghdad Sci.J [انترنت]. 1 فبراير، 2022 [وثق 24 نوفمبر، 2024];19(1):0043. موجود في: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/5377

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