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Evaluation of different conventional lipid extraction techniques’ efficiency in obtaining oil from oleaginous seeds

Victor H. M. da Cruz, Rafael L. G. Priori, Patrícia D. S. Santos, Cintia S. F. Ferreira, Angélica de F. B. Piccioli, Roberta da Silveira, Jesuí V. Visentainer, and Oscar O. Santos

Post-graduate program in Chemistry, State University of Maringá, Maringá, Brazil

 

E-mail: Oliveirasantos.oscardeoliveira@gmail.com

Received: 14 April 2020  Accepted: 13 August 2020

Abstract:

Abstract

Vegetable oils present great economic importance as they can be used and marketed by different industries based on their properties. Currently, several techniques can be employed to extract oils from seeds. However, novel techniques are not easily applicable in any environment. Thus, this study aimed to evaluate the efficiency of simple techniques; Bligh and Dyer, Soxhlet, and acid hydrolysis, in extracting oil from canola, flaxseed, soybean, and sunflower seeds. The sum of fatty acids found in extracted oils indicated Bligh and Dyer as the most efficient method among those assessed. Furthermore, the lower content of polyunsaturated fatty acids quantified in oils obtained by Soxhlet or acid hydrolysis may result from oxidation triggered using high temperatures required by both methods.

Graphic abstract

Different lipid extraction methodologies were compared for the determination of fatty acid content in seeds.

Keywords: Vegetable oils; Glycerides; Oilseeds; Gas chromatography

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-020-01324-w

 

Chemical Papers 75 (2) 515–522 (2021)

Thursday, August 18, 2022

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