PROCESS FOR THE PRODUCTION OF PROANTHOCYANIDIN POLYMERIC COMPOSITION

摘要

The present patent application relates to a process for the isolation and purification of a proanthocyanidin polymeric composition, the composition having high purity and being suitable for use in pharmaceutically effective formulations. In particular, the invention relates to a process for the production of Crofelemer suitable for pharmaceutical formulations and having a level of purity and concentration which enable it to be used in a therapeutically effective manner.