financially supported by the Biotechnology Industrial Research Assistance Council(BIRAC),New Delhi,India(Project Grant No.BT/GUAR-GUM0005/01/19).
In this study,guar gum(GG)was chemically modified to its carboxymethyl derivative,which was then esterified with octenyl succinic anhydride(OSA)using a nucleophilic catalyst 4-dimethylaminopyridine(DMAP)to render the ...