Properties of Cereal β-D-Glucan Hydrocolloids and their Effect on Bread and Ketchup Parameters
2013
Havrlentová, Michaela | Petruláková, Zuzana | Burgárová, Alena | Gavurníková, Soňa | Červená, Viera | Šturdík, Ernest | Kraic, Ján | Žofajová, Alžbeta
Microbiological and sensory evaluations of bread and ketchup supplemented with β-D-glucan hydrogels isolated from wheat, oat, barley, and rye were carried out. Adding hydrocolloids did not affect sensory parameters of bread negatively; moreover rye and oat β-D-glucans improved the total tastiness of bread. Water activity values in fortified breads showed β-D-glucans, except isolated from oat, as elements moderately increasing this parameter and subsequently increasing also bread freshness during the storage. All β-D-glucans resulted in softening the acidic taste of ketchup and did not negatively influence the total tastiness. Quality of fortified fresh tomato ketchups and stored for 180 days, were also not negatively influenced by the addition of hydrocolloids. Therefore, cereal hydrocolloids could be very perspective in the further exploitation in preparing new health-beneficial foods.
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