Investigation of major and trace element distribution in the extraction-transesterification process of fatty acid methyl esters from microalgae Chlorella sp

Bioresource Technology
Bruno M SoaresFabio A Duarte

Abstract

This work reports, for the first time, the determination of major and trace elements (Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, La, Mg, Mn, Mo, Na, Ni, P, Pb, S, Se, Sn, Sr, Ti, Tl, U, V, and Zn) in the fractions of the synthesis of fatty acid methyl esters (FAMEs). These include fresh microalgae, residual biomass, lipid fraction, crude FAMEs, insoluble fraction and purified FAMEs from microalgae Chlorella sp. A microwave-assisted digestion procedure in closed vessels was applied for sample digestion and subsequent element determination by inductively coupled plasma-based techniques. The proposed method was suitable for the multielement determination in FAMEs and its fractions obtained from microalgae. The element concentration was compared with results found in the literature and a careful discussion about the use of residual biomass for different applications was performed.

References

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Feb 23, 2011·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·A GonzálvezM de la Guardia
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Citations

Oct 7, 2018·Environmental Toxicology·Paloma da Cunha de MedeirosJuliana Elaine Perobelli
Apr 15, 2020·Environmental Science and Pollution Research International·Jaime S MandlateFabio A Duarte
Mar 9, 2021·Marine Pollution Bulletin·Ana Cristina Lazzari ChiovattoÍtalo Braga Castro

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