Sammensetninger bestÕende av en vannoppløselig polysakkaridpolymer bestÕende av repeterende pentamerenheter, og fremgangsmÕte for fremstilling derav

摘要

Variant xanthan gums, including non-acetylated, non-pyruvylated, non-acetylated and non-pyruvylated, and fully-acetylated xanthan gums. In addition, in vitro and in vivo methods for the synthesis of these gums are disclosed. Mutant Xanthomonas campestris strains useful in these synthesis are also specified.