Biochemical Composition of some Syrian Marine Algal Species of Economic and Medical Importance
Abstract
In this study, six species of marine algae that belong to the Rhodophyta and Chlorophyta were collected from Syrian coast for determining chemical compositions (protein, lipid, soluble carbohydrates and ash). The highest concentration (58% DW) of carbohydrate was recorded in red algae (Laurencia papillosa (and the lowest concentration (1.95% DW) of lipid was recorded in all species except Ulva fasciata (5.4%DW). The protein content varied from 11.4% (Laurencia papillosa) to 19.6% DW (Pterocladia capillacea). The level of carbohydrate was very high compard to that of lipid, protein and ash where it varied from 22%(Codium tomentosum) to 58%DW (Laurencia papillosa). Lipid content was high in Ulva fasciata (5.4%DW) and low in Hypnea musciformis (1.95% DW). The maximum ash content was recorded in the green algae Codium tomentosum (34% DW) while the red alge Pterocladia capillacea had the minimum (15% DW).
التركيب البيوكيميائي لبعض انواع الطحالب البحرية السورية
ذات الاهمية الاقتصادية والطبية
تمّ في هذه الدراسة جمع 6 أنواع من الطحالب البحرية الحمراء والخضراء من شاطئ اللاذقية لتحديد تركيبها البيوكيميائي من بروتينات وسكريات منحلة وليبيدات ورماد. ُسجلت أعلى نسبة للسكريات (58% من الوزن الجاف) في الطحالب الحمراء Laurencia papillosa) ) وأدنى نسبة لليبيدات في كل الأنواع (1.95% من الوزن الجاف) ما عدا الطحلب الاخضرUlva fasciata %5.4) من الوزن الجاف). تراوحت نسبة البروتينات من 11.4((Laurencia papillosa الى 19.6% من الوزن الجاف في الطحلب الاحمر Pterocladia capillacea. كانت نسبة السكريات مرتفعة بالمقارنة مع البروتينات والليبيدات والرماد حيث تراوحت بين 22(Codium tomentosum) و 58% من الوزن الجاف (Laurencia papillosa). كان محتوى الليبيدات عالياً (5.4% من الوزن الجاف) في الطحلب الاخضر Ulva fasciata ومنخفض (1.95% من الوزن الجاف) عند الطحلب .Hypnea musciformisُسجلت أعلى نسبة للرماد (34% من الوزن الجاف) في الطحلب الأخضر (Codium tomentosum) وأدنى نسبة (15% من الوزن الجاف) في الطحلب الاحمر Pterocladia capillacea.
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