Abstract
The possible use of xylanase from Aspergillus foetidus MTCC 4898 as a bread improver was tested in whole wheat bread. The partially purified xylanase was used as an additive at 12 U/g during mixing of wheat flour. The effects of xylanase addition on the fermentation stage and the final bread quality were analyzed. Remarkable decrease (11%) in water absorption and increase in dough rising (28.5%) were noticed. Final moisture content of the bread was higher (40.5%) than control (32.3%). Improvements in volume (53%) and specific volume (56%) were also significant. Sensory evaluation indicated better flavour, taste, softness and overall acceptability. Texture profile analysis confirmed the rheological changes. Firmness was decreased by more than four folds. Improvements in cohesiveness and decline in springiness and gumminess were observed.
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