Hyaluronan(HA)moleculesarelong,unbranchedchainsofvariablelength peatingdisaccharidesubunitofD‐glucuronicacid(β 1 →.4)(Weissman & Meyer,1954)﹒ Owingtoitsstabilizingpropertiesa,HAanditsde rivativesarewidelyusedinfood,cosmetics,andpharmaceuticalindustries ﹒. ......