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Artículo

Carrier systems for yerba mate extract (Ilex paraguariensis) to enrich instant soups. Release mechanisms under different pH conditions

Deladino, LorenaIcon ; Navarro, Alba Sofia del RosarioIcon ; Martino, Miriam NoraIcon
Fecha de publicación: 09/2013
Editorial: Elsevier Science
Revista: Lwt - Food Science And Technology
ISSN: 0023-6438
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Alimentos y Bebidas

Resumen

The high antioxidant properties of yerba mate (Ilex paraguariensis) extract make it suitable as a natural food additive. Encapsulation of herbal extracts is often necessary to enhance handling and product stability. Release strategies depend on the encapsulation system and the intended use. Calcium alginate capsules, with and without a chitosan layer, containing the yerba mate extract were analyzed, in wet and dried state. Polyphenol release was quantified in gastric (HCl solution, pH ¼ 2) and intestinal (phosphate buffer pH ¼ 7.4) simulated fluids. Most of the encapsulated polyphenols were released in the acidic medium. However, wet capsules with chitosan maintained a higher amount of the active compound before reaching the intestinal medium. Several models were tested to fit kinetic release data; wet and dry capsules showed different release mechanisms in the acidic solution. The dry capsules hydrated, while the wet ones eroded before releasing their content mainly by diffusion. Carrier systems with yerba mate extract were added to instant vegetable soups. Capsules addition increased polyphenols content without modifying the flowability of the soups. The sensory evaluation carried out by a non-trained panel showed no significant differences between enriched and commercial soups.
Palabras clave: Yerba Mate , Antioxidants , Encapsulation , Instant Soup , Release Mechanism
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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/11336/10227
URL: http://dx.doi.org/10.1016/j.lwt.2013.01.030
URL: http://www.sciencedirect.com/science/article/pii/S0023643813000443
Colecciones
Articulos(CIDCA)
Articulos de CENTRO DE INV EN CRIOTECNOLOGIA DE ALIMENTOS (I)
Citación
Deladino, Lorena; Navarro, Alba Sofia del Rosario; Martino, Miriam Nora; Carrier systems for yerba mate extract (Ilex paraguariensis) to enrich instant soups. Release mechanisms under different pH conditions; Elsevier Science; Lwt - Food Science And Technology; 53; 1; 9-2013; 163-169
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