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- Title
Effect of apricot kernels flour on pasting properties, pastes rheology and gels texture of enriched wheat flour.
- Authors
Dhen, Nahla; Rejeb, Ines; Martínez, Mario; Román, Laura; Gómez, Manuel; Gargouri, Mohamed
- Abstract
The partial substitution of wheat flour (WF) by apricot kernel flour (AKF) in the range of 4-24 % was made. Physicochemical, hydration and pasting properties of WF-AKF blends were studied. The effect of AKF addition on the rheological and textural behaviours, respectively, of composite pastes and gels was also investigated. Flours blend exhibits higher protein, fat and ash contents than WF. AKF addition increased the capacities of binding and holding water and decreased the swelling capacity. Pasting properties of WF-AKF decreased with increasing AKF levels. The rheological measurements of pastes showed that the incorporation of AKF decreased the elastic/viscous moduli and the consistency index of pastes but increased the flow behaviour index, which indicates their thixotropic behaviour. Once the gel was set, WF partially substituted by high level of AKF, gave rise to weak gels revealed by a decrease in their hardness.
- Subjects
CONTINUUM mechanics; FLOUR; ANALYTICAL mechanics; WHEAT farming; THIXOTROPIC gels
- Publication
European Food Research & Technology, 2017, Vol 243, Issue 3, p419
- ISSN
1438-2377
- Publication type
Article
- DOI
10.1007/s00217-016-2755-4