Fig. 5From: Extraction, purification and antioxidant activity of Juglans regia shell polysaccharide13C NMR and 31P NMR characterization of J. regia shell polysaccharide derivatives. a 13C NMR spectrum of acetylated J. regia shell polysaccharide; b 13C NMR spectrum of phosphorylated J. regia shell polysaccharide; c 31P NMR spectrum of phosphorylated J. regia shell polysaccharideBack to article page