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Título: | Functionality of amidated low methoxyl pectin and xanthan gum blends on the texture and color of mashed potatoes |
Autor: | Canet, Wenceslao CSIC; Fernández, Cristina CSIC; Álvarez, M. Dolores CSIC ORCID | Fecha de publicación: | jun-2011 | Editor: | Wiley-Blackwell John Wiley & Sons |
Citación: | Journal of Food Process Engineering 34(3): 746-776 (2011) | Resumen: | Blends of amidated low methoxyl (ALM) pectin and xanthan gum (XG) were added to fresh (F) and frozen/thawed (F/T) mashed potatoes. Product was tested by instrumental texture profile (TPA), color, expressible water (Ew) and sensory analyses. A central composite rotatable experimental design was used to study the effects of variation on ALM pectin (1.5–4.5 g/kg) and XG (0.5–2.5 g/kg) concentrations. The effects were highly dependent on the levels of ALM and XG added, although XG influenced the mechanical behavior, color and water-holding capacity of the mashed potatoes more than ALM pectin. F and F/T mashed potatoes with 3 g/kg added ALM pectin and 2.91 g/kg added XG exhibited the greatest consistency, adhesiveness and gumminess, which could be associated with an increase in the amount of XG–water interactions. Instrumental and sensory tests showed that, when 3 g/kg of ALM pectin and 1.5 g/kg of XG were included in the formulation, the mechanical and functional properties of F/T product were very acceptable, with almost no detectable changes in color attributes, and very good overall acceptability (OA) associated with a pronounced creamy sensation conferred by the XG. | Descripción: | 31 páginas, 5 figuras, 6 tablas. | Versión del editor: | http://dx.doi.org/10.1111/j.1745-4530.2009.00431.x | URI: | http://hdl.handle.net/10261/41778 | DOI: | 10.1111/j.1745-4530.2009.00431.x | ISSN: | 0145-8876 | E-ISSN: | 1745-4530 |
Aparece en las colecciones: | (IF) Artículos |
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