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Agriscientia
On-line version ISSN 1668-298X
Abstract
BARRERA, G.N. et al. Effects of different fractions of wheat flour produced in an industrial mill on cookies quality. Agriscientia [online]. 2012, vol.29, n.2, pp.69-79. ISSN 1668-298X.
The physicochemical properties and quality of four fractions of wheat flour produced in an industrial mill and compared with wheat flour obtained by experimental milling were evaluated. The milling process modified damaged starch and ash content of the flours. An increase in the damaged starch content and a decrease in the ash content were observed. Significant variations in solvent retention capacity profile (SRC) and sodium dodecyl sulfate sedimentation index (SDS-SI) were recorded. The cookie factor (CF), hardness, surface roughness and the area of cracking of the cookies showed significant changes depending on the fraction of flour tested. The milling process significantly affected the ability of the flour for making cookies. The principal component analysis was used to discriminate between the different fractions of flours, from this; it is possible to conclude that the combination of physicochemical and rheological evaluations can predict the technological flour behavior to make cookies.
Keywords : Mill; Cookies; Quality.