In recent years there has been growing interest in gluten-free bakery products. However, few studies
have analyzed the influence of flour properties on the quality of these products. This study analyzes the
influence of the type of rice, flour particle size and the water content of the dough used in gluten-free
bread-making, and the microstructure of the doughs. Behaviour during proofing and the characteristics
of the final bread are also described. The finest flours lead to poorest retention of the gas produced
during fermentation and produce breads with a lower specific volume in both formulations, although
this effect was more pronounced in the bread with 80 g of water per 100 g of flour. Flours obtained from
short-grain rice produced breads with higher specific volumes and lower firmness in breads with 80 g of
water per 100 g of flour. In breads with 110 g of water per 100 g of flour, the type of rice used had a
greater effect on the texture than on the specific volume of the breads. Analysis of dough microstructure
showed a film formed of water, hydrocolloid and starch granules fragmented during milling and
kneading that covered the larger particles not broken during processing.