Fatty acid profiling as bioindicator of chemical stress in marine Pterocladia capillacea, Sargassum hornschuchii and Ulva lactuca

  • S. M. Mohy El-Din
Original Paper


Contaminants are increasing in the aquatic ecosystem due to the development of industrial and agricultural activities. Contaminants include organic pollutants such as pharmaceuticals and endocrine-disrupting compounds, which accumulate in the ecosystem’s primary producers and propagate through the food chain. The total lipid contents and fatty acid profiles in the marine macroalgae Pterocladia capillacea, Ulva lactuca and Sargassum hornschuchii proved to be a good bioindicator to assess contamination levels. The lowest value of the total lipid content was 1.90% obtained in S. hornschuchii under the bisphenol treatment, while the highest value was 4.66% obtained in U. lactuca under exposed to clofibric acid. The fatty acid methyl ester profiles were analysed by using gas chromatography. The total fatty acids varied from 5.85% (U. lactuca after exposure to bisphenol) to 28.38% (P. capillacea treated with clofibric acid). The ratio of saturated to unsaturated fatty acids was significantly higher in U. lactuca after exposure to acetyl salicylic acid than in the other macroalgae under different treatments.


Seaweed Fatty acids Pharmaceuticals Biodiesel 



The authors wish to appreciate all who assisted in conduction of this work.


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Copyright information

© Islamic Azad University (IAU) 2017

Authors and Affiliations

  1. 1.Faculty of ScienceAlexandria UniversityAlexandriaEgypt

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