INFLUENCE OF GINGER POWDER ON DOUGH RHEOLOGICAL PROPERTIES AND BREAD QUALITY

摘要

In this study the rheological properties of wheat flour dough with different levels of ginger powder (0, 2, 4 and 6%)were investigated. Mixolab and Alveograph devices were used for evaluating the rheological properties of the dough.The bread making test was further performed, and the specific volume, firmness, sensorial analysis, phenolic contentsand radical scavenging activity were determined for breads characterization. The increase of addition level of gingerinto wheat flour impacted the water absorption, dough development time, stability and dough resistance to deformation.Moreover, the starch gelatinization, stability of the gel during heating and starch retrogradation after dough coolingdecreased with the increase of the levels of wheat flour substitution by ginger. Lower specific volume and higher crumbfirmness were obtained for breads with higher levels of ginger. Among the investigated samples the highest total phenolcontents and radical scavenging activity were registered for bread with 6% ginger.