Effect of the Use of Ground Flaxseed on Quality and Chemical Composition of Bread
2008
Menteş, Ö | Bakkalbaşşi, E. | Ercan, R.
Effects of ground flaxseed on bread quality, staling, and in particular on γ-tocopherol and unsaturated fatty acid composition were determined. Ground flaxseed was added in concentrations of 10, 15, 20, and 25% to wheat flour sample. Results showed that the use of ground flaxseed at a 10% level markedly increased loaf volume, specific loaf volume, Dallman degree and retarded bread staling. Oil and γ-tocopherol content and proportion of linolenic acid in fatty acid composition went up as the ratio of flaxseed flour in bread formulation was increased. Oil, γ-tocopherol content, and proportion of linolenic acid in fatty acid varied in the range of 1.48—8.20%, 0.2—0.24 g/kg sample oil, and 50.25—55.55%, respectively in breads enriched with flaxseed flour. During bread staling, the change in peroxide values, γ-tocopherol content, and fatty acid distribution were not significant. Bread samples were tested for crust color appearance, crumb color, shape-symmetry, external appearance, mouth feel, and taste-aroma. The general acceptability was good at the level of 15% flaxseed flour addition and other substitute levels were found satisfactory.
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