Characterization of Native and Modified Starches by Potentiometric Titration

Table 2

Degree of substitution and carboxyl content of starch semiester and diester of itaconic acid.

Sample	DS^a	(% COOH)^b
SI	0.0032	0.1395
DI	0.0030	0.0703

Product without leaching. ^bGel fraction.