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Preliminary evaluation of Nigeria coastal line seaweeds for the alginate content and biochemical constituents

Journal of Environment & Biotechnology Research, Vol. 6, No. 2, Pages 220-227, April 2017

Omodele Ibraheem, Toluwase O. Komolafe, Elisha Bawa, James O. Oluwole


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ABSTRACT

Among the numerous polysaccharides embedded in seaweeds cell wall is alginate and it’s found abundantly in brown seaweeds spp. Although Nigeria coastal line is enormously blessed with seaweeds, it hasn’t been earnest for exploitation of alginate; an expensive polysaccharide used in many industrial applications. This research work therefore seeks to establish a framework towards the extraction of alginate from these seaweeds and evaluation of the biochemical compositions. Using established experimental protocols, results showed that Nigeria coastal shoreline seaweeds that yielded 13.34% is similar to other seaweeds exploited for alginate content in other countries shorelines. Furthermore, biochemical components such as carbohydrate, protein, lipid and total ash contents that gave 19%, 1.44%, 2.83% and 26%, respectively were within the ranges as observed in other seaweeds with the exception of protein content that gave a low yield. This study thus points out the exploitable potential of Nigeria coastal shoreline seaweeds and therefore cognate efforts should be geared towards mass production of alginate for various industrial applications, thus translating this supposed natural nuisance to wealth. Owe to the rich biochemical composition, these seaweeds may be used to boost quality of animal feeds, perhaps in future for human consumption; after very thorough toxicological screenings have been carried out. The seaweeds debris may further be employed as organic fertilizer and also as source of carbon for second generation bioethanol production.
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Journal of Environment and Biotechnology Research
Volume 6, Number 2, 2017, pp. 220-227
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