Moringa oleifera Lam. water soluble gum polysaccharide on acid hydrolysis with sulphuric acid yielded L-arabinose and D-galactose in the molar ratio of 1:4 moles with traces of L-fucose. The components of aldobiouronic acid and glucuronic acid was obtained as methyl ester methyl glycoside for treatment of methanolic hydrogen chloride.