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Sorghum starch is hydroxypropylated with propylene oxide for 20 h under alkaline conditions and its physicochemical and structural properties are compared with native and alkali modified starches using the same procedure but without propylene oxide. The study demonstrates that functional effects of the hydroxypropylation are not a sum total of alkali modification and addition of propylene oxide. Syneresis...
Treatment or processing of starch with organic acids (citric, stearic, succinic, and malic acids) can be used to obtain starch properties like low retrogradation, desirable viscosity, shear resistance, and high resistant starch. Esterification, cross linking, and hydrolysis of starch may occur after modification with organic acids (citric, succinic acid, malic acid) whereas a complex between starch...