Screening of Antioxidant Activity of Selected Traditionally Used Libyan Medicinal Plant Extracts
الملخص
إن استخدام النباتات الطبية كان علي مدي العصور المختلفة ذو أهمية كبيرة في علاج العديد ن أمراض الإنسان في مختلف أنحاء العالم ولازال يعد من أهم المصادر للحصول علي العديد من المركبات الحيوية المهمة. وتعد ليبيا من بين الدول التي يسود فيها استخدام هذه النباتات بشكل واسع . وفى حين أن بعض النباتات كنبات G.biloba قد تم دراسته بشكل افي إلا أن هناك العديد من النباتات الأخرى التي تحتاج إلى الدراسات لمعرفة ما تحتويه ن مواد نشطة.
وقد تم في هذا البحث دراسة ثلاثة وعشرون نوعاً من النباتات الطبية الليبية لإيجاد محتواها من لمركبات المضادة للأكسدة والفينول . المستخلصات المائية لهذه النباتات تم فحصها لتحيد شاطها المضاد للأكسدة وذلك باستخدام ثلاثة طرق وهي DPPH, TEAC FRAP وتعد هذه الطرق ذات كفاءة عالية لتحيد مضادات الأكسدة وقد دلت النتائج على أن من بين الثلاثة العشرون نباتاً أن المستخلص البارد والساخن لنباتات
أظهرت الأكثر Syzygium aromaticum و Myrtus communis, Quercus robur شاطاً في محتواها المضاد للأكسدة في جميع الاختبارات كما أثبتت تفوقها على الشاي الأخضر مستخدم كمعامل للسيطرة للاختبار . ويعتقد أن فعالية هذه النباتات يمكن إرجاعها جزئياً على الأقل الى نشاطها المضاد للأكسدة
التنزيلات
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