The assessment of the physicochemical, hydration properties,
crumb texture, and microstructure of a range of
gluten-free breads showed great divergence among their
properties and the same observation was perceived in the
sensory analysis. Sensory analysis revealed also great
divergences in crumb appearance, odor, springiness,
crumbliness, and color. Among all the assessed parameters,
from the correlation matrix it was observed that color,
texture, and hydration parameters were highly correlated
within them. In addition, hydration properties were significantly
positive correlated with cohesiveness and resilience.
Significant but scientifically meaningless correlations
were found between sensory and instrumental parameters.
According to the principal component analysis, gluten-free
breads could be classified along the first component on
the basis of sensory properties (negative side) and hydration
properties, instrumental cohesiveness, resilience, and
springiness (positive side). Therefore, sensory parameters
described in this study and also hydration properties
besides texture parameters would be suitable for characterizing
bread-like gluten-free products.