4. Conclusions
This work is a preliminary study about the suitability of inulin
and HPMC as fat replacers in biscuits. The relationship between
texture properties perceived by humans and instrumentally
measured was evaluated, however, no correlations were found. In
further studies a wider range of different biscuit texture properties
will be included. The level and type of fat replacer influence the
texture characteristics of biscuits and their sensory qualities. Inulin
and HPMC increased the hardness and maximum sound intensity,
however, inulin could not achieve fat replacement percentages
higher than 15%. HPMC could be used at higher fat replacement
rates while keeping the dough workable, but concentrations higher
than 15% cannot be employed if good sensory properties are to be
retained.