Fig. 6From: Extraction, structure characterization and biological activity of polysaccharide from coconut peel13C NMR and 31P NMR characterization of coconut peel polysaccharide derivatives. a 13C NMR spectrum of acetylated coconut peel polysaccharide; b 13C NMR spectrum of phosphorylated coconut peel polysaccharide; c 31P NMR spectrum of phosphorylated coconut peel polysaccharide; d 13C NMR spectrum of carboxymethylated coconut peel polysaccharideBack to article page