European Journal of Experimental Biology Open Access
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Abstract
Gum polysaccharide structure from Moringa oleifera Lam. plant gum by methylation technique
Ashish Pal and R. B. Singh
Gum polysaccharide has been extracted from Moringa oleifera Lam. plant gum (Moringaceae) with water as Larabinose
and D-galactose in 1:4 molar ratio with traces of L-fructose. The purified gum polysaccharide was
completely methylated by Hakomari and Purdie’s method which afforded methyl sugars as : 2,3,4,6-tetra-O-methyl-
D-galactose; 2,3,4-tri-O-methyl-D-galactose; 2,4-di-O-methyl-D-galactose and 2,2-di-O-methyl-L-arabinose were
found in the molar ratio of 1:1:2:1 and also present uronic acid as : 2,3,4-tri-O-methyl-D-glucuronic acid (1 mole).
