| Sumario: | Egg white with margarine, and xanthan gum, have been used to produce alternative breads from cassava flour fortified with 200 g kg−1 soya flour. All the additives increased the amount of air entrapped in the cassava batters at the mixing stage, as indicated by their lower batter densities. The lower the batter density the higher was the maximum gas retention volume attained in the 60 min fermentation stage. However, final loaf volume also depends on the stability of the batter; egg white primarily acts as a stabiliser. Margarine, and more significantly egg white, reduced the extent of starch gelatinisation and solubilisation in the bread. Breads made with locally available egg white and margarine are sensorily acceptable to Nigerian consumers and have very good keeping qualities.
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