بعض خصائص الألجينات المستخلصة من الطحالب السمراء البحرية السورية
Abstract
تمّ استخلاص الألجينات من ثلاثة أنواع من الطحالب السمراء : طحلب سارغاسيومفولغارSargassumvulgareوكولبومينيا سينوزاsinuosaColpomeniaوطحلب بادينا بافونيكاPadina pavonica تمّ جمع العينات من الشاطئ السوري ثم دُرس مردود و لزوجة الألجينات والنسبة بين حمض المانوريك ((M وحمض الغليكورونيك(G). تمّيزّت ألجينات السارغاسيوم بمردودٍ عالٍ (27% (ولزوجة منخفضة ونسبة M/Gمرتفعة (1.9. ( فيما يتعلق بألجينات كلّ من البادينا والكولبومينيا فقد بلغت قيمة المردود (18%،21%) واللزوجة (180 سنتبواز ، 240سنتبواز) بينما النسبةM/G (0.8، 1.4 ) على التوالي.
اعتمّاداً على نتائج هذه الدراسة، يمكن أن يشكل الطحلبSargassum vulgare مصدراً مهماً لإنتاج الألجينات التجارية مستقبلاً.
The alginates were extracted from 3 species of brown algae: Sargassum Padina pavonica pavonica and Colpomenia sinuosa. The samples were collected from the Syrian coast and studied the yield, viscosity and the proportion mannuronic acid to guluronic acid (M/G). The Sargassum alginates characterized with high yield (27%), low viscosity (120 cP) and high M/G ratio (1.9). For the Padina and Colpomenia alginates: the yield was (18% , 21%), the viscosity was (180 cP, 240 cP ) and the M/G ratio attained a (0.8, 1.4) respectively.
Based on the results of this study, the Sargassum alga can be potentially good sources for production of commercial alginatesin future.
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