2011•Cereals & OilsRequires access

Property and characterization of potato oxidized starch

Tan Yi-qiu

Abstract

Oxidized starch was prepared by dry method using the potato starch as material,H2O2 as oxidant and FeSO4 as catalyst.The properties of the starch paste,such as solubility,apparent viscosity,diaphaneity,freeze–thaw stabilization,retrogradation,were studied.The experimental results showed that the solubility and diaphaneity of oxidized starch increased,and its apparent viscosity reduced,freeze–thaw stabilization enhanced,retrogradation decreased than the native potato starch.Furthermore the oxidized starch was further characterized.

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Key concepts: Starch, Retrogradation (starch), Potato starch, Solubility, Viscosity, Chemistry, Food science, Modified starch