The Pectic Acid from the Pulp of Jackfruit (Artocarpus Integrifolia). II

Abstract

The jackfruit pectic acid has been converted into ethylene glycol ester, which, on reduction with sodium borohydride, gives a galactan. Methylation studies of the original polysaccharide and of the reduced pectic acid suggest the presence of chains of 1→4 linked α-D-galacturonic acid residues in the pectic acid which is associated with a glucan.