The pH of the end products ranged from 5.82 for control to
4.09 for 5% HSR containing crackers which is lower than
commercial product. With the increasing level of HSR, more
acids were exist contributed to higher value bulk density/lower
volume as more acids modify and decrease the spread of the
dough. This in turn resulted in decreased stack height and
stack weight of crackers. The preservative properties of
organic acids also enhance crackers’ microbiological and physicochemical
stability.