addition of HPMC, it is possible to improve the quality of glutenfree
donuts made entirely with soy flour. The soy donut had
desirable qualities such as less oil uptake and moisture loss than the
wheat donut, but lower quality factor such as lower specific volume,
harder texture and sensory attributes. The addition of HPMC
increased the specific volume of the soy donut, improved the color,
and decreased the oil uptake, moisture loss, and hardness
compared to the soy donut without HPMC. Practically, the addition
of and coating with HPMC had significant effects on the quality of
the soy donut, resulting in the highest overall preference score,
closer to that of the wheat donut. These results suggest that glutenfree
donuts from soy flour with HPMC offer a promising healthy and
new type of gluten-free alternative product to consumers