Patent ID: 8529969
Filing Date: 2013-09-10
Classification: A23K,A23L,A61K,A61Q,C08B

Abstract:
1. A process for making derivatized guar gum comprising the following steps: preparing non derivatized pure guar flour by the following steps (a) to (e) (a) chemically peeling peripheral cells layers of guar splits by treating guar splits with an alkaline solution in the presence of hydrogen peroxide at 65 to 70° C. to obtain alkaline splits; (b) optionally partially neutralizing the alkaline splits with an organic or inorganic acid; (c) mechanically removing peripheral cells layers of the guar splits; (d) optionally treating the splits with an aqueous alcohol solution; and (e) grinding the splits into flour, subjecting the non derivatized pure guar flour to a derivatization by means of carboxy methylation, hydroxy propylation, or cationization, or combinations thereof.