Esterified polysaccharides and the process of making such products are disclosed. The process can be enzymatic where an enzyme is used as a catalyst for the reaction. The process can also be chemical where no enzyme is used. Novel Products are obtained through lipase-catalyzed &bgr;-lactone ring opening alcoholysis of ketene dimers and the process of making such compositions containing products.
本发明公开了酯化
多糖和制造此类产品的工艺。该工艺可以是酶法工艺,即使用酶作为反应的催化剂。该工艺也可以是
化学工艺,即不使用酶。通过
脂肪酶催化的酮二聚体的&bgr;-内酯开
环醇解和制造含有产品的这种组合物的工艺,获得了新产品。