Structural Analysis of Xanthan GUM-FE (III) Capsules

Elena Vázquez, Sofía Piguillem, Santiago Rubio, Jorge Díaz, Hector Baldoni, Enrique Vega and Martin Masuelli*
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Elena Vázquez: Universidad Nacional de San Luis, PROICO 2-1612. Instituto de Tecnología Química-CONICET, Argentina
Sofía Piguillem: Universidad Nacional de San Luis, PROICO 2-1612. Instituto de Tecnología Química-CONICET, Argentina
Santiago Rubio: Universidad Nacional de San Luis, PROICO 2-1612. Instituto de Tecnología Química-CONICET, Argentina
Jorge Díaz: Universidad Nacional de San Luis, PROICO 2-1612. Instituto de Tecnología Química-CONICET, Argentina
Hector Baldoni: Instituto de Matemática Aplicada de San Luis (IMASL), à rea de Química General e Inorgánica, Facultad de Química, Bioquímica y Farmacia, Chacabuco y Pedernera, Universidad Nacional de San Luis, San Luis 5700, Argentina
Enrique Vega: Universidad Nacional de San Luis, PROICO 2-1612. Instituto de Tecnología Química-CONICET, Argentina
Martin Masuelli*: Laboratorio de Investigación y Servicios de Química Física (LISeQF-UNSL). Instituto de Física Aplicada-CONICET y FQByF-Universidad Nacional de San Luis, Ejercito de los Andes 950, ZC: 5700, San Luis, Argentin

Academic Journal of Chemistry, 2020, vol. 5, issue 4, 31-40

Abstract: In this work, the formation of capsules in xanthan gum and complexing solutions of Fe III is structurally evaluated. These capsules have a spheroid shape that, when dried, collapse into disc shapes. These spheroids are made up of microspheres that partially explain this collapse. The backscattered SEM image shows areas rich in Fe and others poorer in this metal, the EDX analysis confirms this. FTIR chromatograms show a clear shift at approximately 1620 cm-1 due to the formation of the xanthan gum-Fe III complex. This work also proposes a structure, theoretically demonstrated, between xanthan gum and Fe III, which can explain what the biopolymeric structure bending procedure is like due to the presence of Fe III, a model called TransbiHook.

Keywords: Xanthan gum; Xanthan gum-fe III; Complex; Capsules; TransbiHook (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:arp:ajcarp:2020:p:31-40

DOI: 10.32861/ajc.54.31.40

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