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Updated: May 1, 2026

Analysis of Fatty Acid Content and Composition in Microalgae
Published on: October 1, 2013
Nutrient removal and lipid accumulation properties of newly isolated microalgal strains
Lin Han1, Haiyan Pei2, Wenrong Hu2
1School of Environmental Science and Engineering, Shandong University, 27 Shanda Nan Road, Jinan 250100, China.
Abstract:
In this work, four microalgae including Chlorella sp. SDEC-10, Chlorella ellipsoidea SDEC-11, Scenedesmus bijuga SDEC-12 and Scenedesmus quadricauda SEDC-13 isolated from a local lake have been investigated for the properties of growth, nutrient removal and lipid accumulation in synthetic sewage. Their biomass ranged between 0.4 and 0.5g/L. The total phosphorus removal efficiency of four strains was nearly 100%, but in the case of total nitrogen and ammonium the removal efficiency was relatively low. Their lipid content, ranging from 25.92% to 27.76% and corresponding to the lipid productivity 7.88-18.08mg/L/d, was higher than that obtained in BG-11. Palmitic acid and oleic acid were the predominant compositions found through fatty acids analysis. S. quadricauda SDEC-13 performed best both in nutrient removal and in lipid production among the four strains.
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