Carbohydrate Conformation 4 Chromatography, Gel 4 Food Additives 4 Galactose Guanosine Diphosphate Mannose 4 Lipids 4 Polysaccharides, Bacterial 4 Support, Non-U.S. Gov't 4 Uridine Diphosphate Galactose 4 Uridine Diphosphate Glucuronic Acid 4 Xanthomonas 4 article 4 bacterial polysaccharide 4 biosynthesis 4 conformation 4 food additive 4 galactose 4 gel chromatography 4 guanosine diphosphate mannose 4 lipid 4 metabolism 4 uridine diphosphate galactose 4 uridine diphosphate glucuronic acid 4 xanthan 4