Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production

Argan oil is rich in long-chain unsaturated fatty acids (FA), mostly oleic and linoleic, and natural antioxidants. This study addresses the production of low-calorie structured lipids by acidolysis reaction, in a solvent-free system, between caprylic (C8:0; system I) or capric (C10:0; system II) aci...

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Autores principales:	Tiago Simões, Jessica Ferreira, Marco F. L. Lemos, Ana Augusto, Rafael Félix, Susana F. J. Silva, Suzana Ferreira-Dias, Carla Tecelão
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Argania spinosa</i> oil capric acid caprylic acid commercial immobilized lipases low-calorie structured lipids Science Q
Acceso en línea:	https://doaj.org/article/f63e6db3cad649a89e2e964b2fe33b28
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spelling	oai:doaj.org-article:f63e6db3cad649a89e2e964b2fe33b282021-11-25T18:10:24ZArgan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production10.3390/life111111142075-1729https://doaj.org/article/f63e6db3cad649a89e2e964b2fe33b282021-10-01T00:00:00Zhttps://www.mdpi.com/2075-1729/11/11/1114https://doaj.org/toc/2075-1729Argan oil is rich in long-chain unsaturated fatty acids (FA), mostly oleic and linoleic, and natural antioxidants. This study addresses the production of low-calorie structured lipids by acidolysis reaction, in a solvent-free system, between caprylic (C8:0; system I) or capric (C10:0; system II) acids and argan oil, used as triacylglycerol (TAG) source. Three commercial immobilized lipases were tested: Novozym<sup>®</sup> 435, Lipozyme<sup>®</sup> TL IM, and Lipozyme<sup>®</sup> RM IM. Higher incorporation degree (ID) was achieved when C10:0 was used as acyl donor, for all the lipases tested. Lipozyme<sup>®</sup> RM IM yielded the highest ID for both systems (28.9 ± 0.05 mol.% C10:0, and 11.4 ± 2.2 mol.% C8:0), being the only catalyst able to incorporate C8:0 under the reaction conditions for biocatalyst screening (molar ratio 2:1 FA/TAG and 55 °C). The optimal conditions for Lipozyme<sup>®</sup> RM IM in system II were found by response surface methodology (66 °C; molar ratio FA/TAG of 4:1), enabling to reach an ID of 40.9 mol.% of C10:0. Operational stability of Lipozyme<sup>®</sup> RM IM in system II was also evaluated under optimal conditions, after eight consecutive 24 h-batches, with biocatalyst rehydration between cycles. The biocatalyst presented a half-life time of 103 h.Tiago SimõesJessica FerreiraMarco F. L. LemosAna AugustoRafael FélixSusana F. J. SilvaSuzana Ferreira-DiasCarla TecelãoMDPI AGarticle<i>Argania spinosa</i> oilcapric acidcaprylic acidcommercial immobilized lipaseslow-calorie structured lipidsScienceQENLife, Vol 11, Iss 1114, p 1114 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Argania spinosa</i> oil capric acid caprylic acid commercial immobilized lipases low-calorie structured lipids Science Q
spellingShingle	<i>Argania spinosa</i> oil capric acid caprylic acid commercial immobilized lipases low-calorie structured lipids Science Q Tiago Simões Jessica Ferreira Marco F. L. Lemos Ana Augusto Rafael Félix Susana F. J. Silva Suzana Ferreira-Dias Carla Tecelão Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
description	Argan oil is rich in long-chain unsaturated fatty acids (FA), mostly oleic and linoleic, and natural antioxidants. This study addresses the production of low-calorie structured lipids by acidolysis reaction, in a solvent-free system, between caprylic (C8:0; system I) or capric (C10:0; system II) acids and argan oil, used as triacylglycerol (TAG) source. Three commercial immobilized lipases were tested: Novozym<sup>®</sup> 435, Lipozyme<sup>®</sup> TL IM, and Lipozyme<sup>®</sup> RM IM. Higher incorporation degree (ID) was achieved when C10:0 was used as acyl donor, for all the lipases tested. Lipozyme<sup>®</sup> RM IM yielded the highest ID for both systems (28.9 ± 0.05 mol.% C10:0, and 11.4 ± 2.2 mol.% C8:0), being the only catalyst able to incorporate C8:0 under the reaction conditions for biocatalyst screening (molar ratio 2:1 FA/TAG and 55 °C). The optimal conditions for Lipozyme<sup>®</sup> RM IM in system II were found by response surface methodology (66 °C; molar ratio FA/TAG of 4:1), enabling to reach an ID of 40.9 mol.% of C10:0. Operational stability of Lipozyme<sup>®</sup> RM IM in system II was also evaluated under optimal conditions, after eight consecutive 24 h-batches, with biocatalyst rehydration between cycles. The biocatalyst presented a half-life time of 103 h.
format	article
author	Tiago Simões Jessica Ferreira Marco F. L. Lemos Ana Augusto Rafael Félix Susana F. J. Silva Suzana Ferreira-Dias Carla Tecelão
author_facet	Tiago Simões Jessica Ferreira Marco F. L. Lemos Ana Augusto Rafael Félix Susana F. J. Silva Suzana Ferreira-Dias Carla Tecelão
author_sort	Tiago Simões
title	Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
title_short	Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
title_full	Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
title_fullStr	Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
title_full_unstemmed	Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production
title_sort	argan oil as a rich source of linoleic fatty acid for dietetic structured lipids production
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f63e6db3cad649a89e2e964b2fe33b28
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Argan Oil as a Rich Source of Linoleic Fatty Acid for Dietetic Structured Lipids Production

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