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Artículo

Stability and release of an encapsulated solvent-free lycopene extract in alginate-based beads

Aguirre Calvo, Tatiana RocioIcon ; Busch, Verónica MaríaIcon ; Santagapita, Patricio RomanIcon
Fecha de publicación: 12/2016
Editorial: Elsevier Science
Revista: LWT - Food Science and Technology
ISSN: 0023-6438
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Químicas

Resumen

A free-solvent lycopene extract was obtained from a natural and non-conventional source such as pink grapefruit. Five matrices were evaluated to select the matrix for lycopene extraction, choosing freeze-dried pulp based on the high content and conservation of all-trans lycopene. The extraction was dependent on both partial preservation of the fruit cellular/tissular structure and water content. The extract was then encapsulated in alginate beads with the addition of sugars and galactomannans. The influence of beads composition was studied on stability towards isomerization, transport properties and release of lycopene. Alginate beads and those supplemented with trehalose and vinal gum were the ones that best preserved lycopene content and minimized isomerization changes. Transport properties measured by LF-NMR showed that lower diffusion coefficients could be related to higher lycopene content in alginate-trehalose beads. Lycopene release was strongly influenced by composition. Then, it is possible to design formulations with different release rates for particular applications.
Palabras clave: CAROTENOIDS , STABILITY , RELEASE , BIOPOLYMERS , DIFFUSION COEFFICIENT
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/113820
URL: http://www.sciencedirect.com/science/article/pii/S0023643816307617
DOI: http://dx.doi.org/10.1016/j.lwt.2016.11.074
Colecciones
Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Citación
Aguirre Calvo, Tatiana Rocio; Busch, Verónica María; Santagapita, Patricio Roman; Stability and release of an encapsulated solvent-free lycopene extract in alginate-based beads; Elsevier Science; LWT - Food Science and Technology; 77; 12-2016; 406-412
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