Psyllium Hemicellulose
DEFINITION
Psyllium Hemicellulose is the alkali soluble fraction of the husk from Plantago ovata Forssk. It consists of a combination of highly substituted arabinoxylan polysaccharides. These polysaccharides are linear chains of xylose units (β-(1→4)-xylan) to which are attached single units of arabinose and additional xylose. Rhamnose, galactose, glucose, and rhamnosyluronic acid residues are also present as minor constituents. It contains NLT 75.0% of dietary soluble fiber, calculated on the dried basis.