Microwave-assisted alkaline modification of red seaweed galactans

The production of 3,6-anhydrogalactose units from galactose 6-sulfated residues by alkaline treatment is an important reaction undergone by many red seaweed galactans, used commercially to enhance their gelation behavior, and thus their industrial value. A novel technique utilizing microwave irradia...

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Autores principales:	Navarro, Diego Alberto, Stortz, Carlos Arturo
Publicado:	2005
Materias:	Agaran Alkaline treatment Carrageenan Microwave irradiation Red seaweed Alkalinity Microwaves Sodium compounds Alkaline modification Seaweed galactans Sodium hydroxide Seaweed algae
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01448617_v62_n2_p187_Navarro http://hdl.handle.net/20.500.12110/paper_01448617_v62_n2_p187_Navarro
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_01448617_v62_n2_p187_Navarro
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spelling	paper:paper_01448617_v62_n2_p187_Navarro2023-06-08T15:12:09Z Microwave-assisted alkaline modification of red seaweed galactans Navarro, Diego Alberto Stortz, Carlos Arturo Agaran Alkaline treatment Carrageenan Microwave irradiation Red seaweed Alkalinity Microwaves Sodium compounds Alkaline modification Seaweed galactans Sodium hydroxide Seaweed algae The production of 3,6-anhydrogalactose units from galactose 6-sulfated residues by alkaline treatment is an important reaction undergone by many red seaweed galactans, used commercially to enhance their gelation behavior, and thus their industrial value. A novel technique utilizing microwave irradiation to carry out the alkaline modification of three structurally different galactans is described. The reaction is accelerated several times with respect to that performed with conventional heating. The effect of the sodium hydroxide concentration was investigated, showing a higher rate around a 2 M base concentration. © 2005 Elsevier Ltd. All rights reserved. Fil:Navarro, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Stortz, C.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2005 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01448617_v62_n2_p187_Navarro http://hdl.handle.net/20.500.12110/paper_01448617_v62_n2_p187_Navarro
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Agaran Alkaline treatment Carrageenan Microwave irradiation Red seaweed Alkalinity Microwaves Sodium compounds Alkaline modification Seaweed galactans Sodium hydroxide Seaweed algae
spellingShingle	Agaran Alkaline treatment Carrageenan Microwave irradiation Red seaweed Alkalinity Microwaves Sodium compounds Alkaline modification Seaweed galactans Sodium hydroxide Seaweed algae Navarro, Diego Alberto Stortz, Carlos Arturo Microwave-assisted alkaline modification of red seaweed galactans
topic_facet	Agaran Alkaline treatment Carrageenan Microwave irradiation Red seaweed Alkalinity Microwaves Sodium compounds Alkaline modification Seaweed galactans Sodium hydroxide Seaweed algae
description	The production of 3,6-anhydrogalactose units from galactose 6-sulfated residues by alkaline treatment is an important reaction undergone by many red seaweed galactans, used commercially to enhance their gelation behavior, and thus their industrial value. A novel technique utilizing microwave irradiation to carry out the alkaline modification of three structurally different galactans is described. The reaction is accelerated several times with respect to that performed with conventional heating. The effect of the sodium hydroxide concentration was investigated, showing a higher rate around a 2 M base concentration. © 2005 Elsevier Ltd. All rights reserved.
author	Navarro, Diego Alberto Stortz, Carlos Arturo
author_facet	Navarro, Diego Alberto Stortz, Carlos Arturo
author_sort	Navarro, Diego Alberto
title	Microwave-assisted alkaline modification of red seaweed galactans
title_short	Microwave-assisted alkaline modification of red seaweed galactans
title_full	Microwave-assisted alkaline modification of red seaweed galactans
title_fullStr	Microwave-assisted alkaline modification of red seaweed galactans
title_full_unstemmed	Microwave-assisted alkaline modification of red seaweed galactans
title_sort	microwave-assisted alkaline modification of red seaweed galactans
publishDate	2005
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01448617_v62_n2_p187_Navarro http://hdl.handle.net/20.500.12110/paper_01448617_v62_n2_p187_Navarro
work_keys_str_mv	AT navarrodiegoalberto microwaveassistedalkalinemodificationofredseaweedgalactans AT stortzcarlosarturo microwaveassistedalkalinemodificationofredseaweedgalactans
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Microwave-assisted alkaline modification of red seaweed galactans

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