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Use of Solvent Retention Capacity Profile to Predict the Quality of Triticale Flours

¹Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, CC 509, 5000 Córdoba, Argentina. ²Agencia Córdoba Ciencia, Centro de Excelencia en Productos y Procesos de Córdoba (CEPROCOR), 5164 Santa María de Punilla, Córdoba, Argentina. ³CONICET. ⁴Corresponding author. Phone: +54 351 4334105, ext 255. Fax: +54 351 4334105. Email: aeleon@agro.uncor.edu

The solvent retention capacity test (SRC) was used to evaluate flour functionality for end use applications and select wheat for production of flour with required functionality, but there is little information about SRC test application on triticale flour quality. The ability of flour to retain a set of four solvents produces a flour quality profile for predicting bakery performance. The objective of this study was to evaluate the capacity of SRC and its micro test to determine the potential quality of 25 triticale flours, as well as studying the relationship between the SRC parameters and flour chemical composition. The SRC parameters of triticale flours were correlated with the flour components that have been proposed by the method: sucrose SRC-pentosan (r = 0.57), carbonate SRC-damaged starch (r = 0.80), lactic SRC-glutelin (r = 0.42), water SRC-all hydrophilic constituents (damaged starch [r = 0.72], protein [r = 0.61], glutelin [r = 0.66], pentosan [r = 0.46]). Triticale flours have shown higher water and sodium carbonate SRC, similar sucrose SRC, and lower lactic SRC values than published results of typical flours used for cookie production. Summarizing, the high level of association found between SRC and micro SRC parameters with flour composition and quality flour tests evidence that either the SRC profile or the micro test SRC could be used to determine the potential quality of triticale flours.