BIOCHEMICAL COMPOSITION OF SOME RED AND GREEN SEAWEEDS FROM ISKENDERUN BAY, THE NORTHEASTERN MEDITERRANEAN COAST OF TURKEY

Biochemical composition of some red and green seaweeds from Iskenderun Bay, the northeastern Mediterranean coast of Turkey

Funda Turan, Senem Ozgun, Selin Sayın, Gul Ozyılmaz

Faculty of Marine Science and Technology, University of Mustafa Kemal, Iskenderun, Hatay, TURKEY
Department of Chemistry, Faculty of Science and Literature, University of Mustafa Kemal, Hatay, TURKEY

Abstract

The present study was aimed to determine total protein, total carbohydrate, total phenolic substances and pigment contents of some red and green seaweed or macroalgae collected from Iskenderun Bay, the northeastern Mediterranean coast of Turkey between April-June 2013. Totally five seaweed samples, three red (Janiarubens, Laurencia papillosa, Laurencia obtusa) and two green (Ulva lactuca, Codium fragile), were analyzed. The highest protein content was obtained from L. obtusa (142.94±3.24 mg g-1) whereas the lowest protein content was obtained from J. rubens (13.82±0.58 mg g-1). The carbohydrate yields of macroalgae varied from 155.23±1.79 to 643.93±4.68 mg g-1, the maximum carbohydrate concentration was recorded from green alga, C. fragile, (643.93±4.68 mg g-1) followed by green alga, U. lactuca, (506.69±9.19 mg g-1). The total phenolic contents of seaweed varied from 0.053±0.01 to 0.529±0.11 mg g-1 and the maximum phenolic substance content was recorded from L. obtusa (0.529±0.11 mg g-1). The green alga, U. lactuca, showed the highest Chlorophyll-a and carotene content (2.905±0.12 and 0.941±0.04 mg g-1 respectively) among these seaweeds.

Keywords: Biochemical composition, red seaweed, green seaweed, Iskenderun Bay

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