Abstract
Effects of various xylanase treatments applied at different stages of bread making process on dough rheological characteristics and bread quality attributes were investigated. Different doses (200, 400, 600, 800, and 1000 IU) of purified enzyme were applied at two stages (tempering and mixing). In milling and dough making processes, both types of flour (subjected to enzyme treatment during tempering and flour mixing) exhibited decreasing trend in water absorption, dough development time, dough stability, softening of dough, dough mixing time, viscosity peak, set back, and increasing tendency in peak height and pasting temperature. Treatments during tempering resulted in more significant effects as compared to applications during flour mixing. The dough rising during proofing resulted in enhancement from 137±3.21% (control) to maximum value (192.33±2.90%), when 600 IU of xylanases were applied to 1 kg of wheat grains during tempering. The bread sensory attributes also exhibited significant improvement in response to various doses of purified enzymes.
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Ahmad, Z., Butt, M.S., Ahmed, A. et al. Xylanolytic modification in wheat flour and its effect on dough rheological characteristics and bread quality attributes. J Korean Soc Appl Biol Chem 56, 723–729 (2013). https://doi.org/10.1007/s13765-013-3132-7
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DOI: https://doi.org/10.1007/s13765-013-3132-7