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Food Sci Technol Int. 2015 Jul;21(5):323-31. doi: 10.1177/1082013214535615. Epub 2014 May 22.

Effect of tiger nut-derived products in gluten-free batter and bread.

Author information

1
Departament de Ciència Animal i dels Aliments, Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), CeRTA, XiT, Universitat Autònoma de Barcelona, Bellaterra, Spain.
2
Departament de Ciència Animal i dels Aliments, Grup de Recerca en Remugants (G2R), Universitat Autònoma de Barcelona, Bellaterra, Spain.
3
Departament de Ciència Animal i dels Aliments, Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), CeRTA, XiT, Universitat Autònoma de Barcelona, Bellaterra, Spain marta.capellas@uab.cat.

Abstract

Tiger nut is a tuber used to produce tiger nut milk that yields a high quantity of solid waste, which can be dried and used as fiber source. The objective of this paper was to evaluate the quality of gluten-free bread formulated with different tiger nut-derived products in order to substitute soya flour (which is an allergen ingredient) and, at the same time, increase the use of tiger nut-derived products. Four gluten-free formulations based on corn starch and containing tiger nut milk, tiger nut milk by-product, tiger nut flour, or soya flour (as reference formulation) were studied. Tiger nut milk increased G' of gluten-free batter and rendered breads with the softest crumb (502.46 g ± 102.05), the highest loaf-specific volume (3.35 cm(3)/g ± 0.25), and it was mostly preferred by consumers (61.02%). Breads elaborated with tiger nut flour had similar characteristics than soya flour breads (except in color and crumb structure). The addition of tiger nut milk by-product resulted in a hard (1047.64 g ± 145.74) and dark (L(*)  = 70.02 ± 3.38) crumb bread, which was the least preferred by consumers. Results showed that tiger nut is a promising ingredient to formulate gluten-free baked products.

KEYWORDS:

Celiac disease; gluten-free bread; tiger nut flour; tiger nut milk; tiger nut milk by-product

PMID:
24854294
DOI:
10.1177/1082013214535615
[Indexed for MEDLINE]

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