Figure 5.

l-Gal is a side group substituent of the mucilage RG I, and d-Gal is associated with the arabinoxylan. A, Arabinoxylan. B, RG I. Arabinoxylan and RG I were hydrolyzed to monosaccharide by TFA, and the Gal in dry residues dissolved in water was oxidized by l-Gal and d-Gal dehydrogenase. The resultant monosaccharides were separated by high-performance anion-exchange chromatography to show the relative amounts of each Gal moiety remaining. PAD, Pulsed-amperometric detection. [See online article for color version of this figure.]