However a literature review and other library searches reveal no studies documented on the effect of hydrocolloids on the
gluten-free flat breads. The reason could be that flat breads are the main type of breads in the Middle East, including Iran. Thus, the aim of this study was to formulate gluten-free flat bread based on rice flour, corn starch and soy flour using different concentrations of XG and CMC and to determine the effect of these gums on bread quality.