With reducing particle size,
total, soluble and insoluble fiber content decreased from
69.7 to 32.1 %, 12.2 to 7.9 % and 57.4 to 24.3 %, respectively.
The highest total (74.4 %) and soluble (21.4 %) and the lowest
insoluble fiber (52.1 %) content were determined for the
hydrothermaled bran.