Vitamin E-β-lactoglobulin complexes included in sodium alginate biopolymeric films

Authors

  • Romina Berino Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina http://orcid.org/0000-0001-5529-813X
  • Diego Armando Pezzelatto Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina http://orcid.org/0000-0003-1340-5181
  • Germán David Báez Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. http://orcid.org/0000-0002-9640-8646
  • Emilce Llopart Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. http://orcid.org/0000-0002-2276-3004
  • Griselda Ballerini Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. Centro de Investigaciones y Desarrollo en Tecnología de los Alimentos, Universidad Tecnológica Nacional, Facultad Regional Rosario, Rosario, Argentina. http://orcid.org/0000-0002-5131-817X
  • Andrea Moro Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. http://orcid.org/0000-0002-4876-5569
  • Néstor Jorge Delorenzi Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. http://orcid.org/0000-0002-1128-952X
  • Pablo Andrés Busti Área Tecnología de los Alimentos, Departamento de Tecnología, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, Argentina. http://orcid.org/0000-0002-7547-1232

DOI:

https://doi.org/10.26461/15.07

Keywords:

Beta lactoglobulin, Nanocomplexes, films, sodium alginate

Abstract

In order to obtain dried films capable of encapsulating the maximum recommended daily values of fat-soluble vitamin E (α-tc), nanocomplexes between beta- lactoglobulin (β-lg), the major whey protein, and the vitamin were incorporated into sodium alginate (AS) solutions, to previously determined β-lg / AS ratio. The interaction between native and heat-treated protein with vitamin was studied by turbidimetry at different pH values. Native β-lg increased solubility α-tc in aqueous solutions at pH 6.80. Opacity and color tests to all films were carried out and no differences were found due to the incorporation of α-tc. Dry films improved the protection of α-tc structure when exposed to oxygen from the air and controlled light (measured by HPLC). This effect was attributable to the oxygen and ultraviolet light (UV) barrier exerted by the polysaccharide matrix.

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References

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Published

2018-06-26

How to Cite

Berino, R., Pezzelatto, D. A., Báez, G. D., Llopart, E., Ballerini, G., Moro, A., Delorenzi, N. J., & Busti, P. A. (2018). Vitamin E-β-lactoglobulin complexes included in sodium alginate biopolymeric films. INNOTEC, (15 ene-jun), 44–49. https://doi.org/10.26461/15.07

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