Preparation of Sweet Potato Carboxymethyl Starch of High Degree of Substitution

Abstract

Abstract: Carboxymethyl Starch(CMS)is a kind of anion starch ether,which has been widely used in many fields,especially in the food industry.In this paper,a kind of CMS with high degree of substitution and high viscosity was produced from sweet potato starch by using chloroactic acid,accompanied with ethanol as reaction solvent and sodium hydroxide as proton acceptor.Different factors influencing.The synthesis of CMS were systematically analyzed.

Key words: Carboxymethyl starch , Sweet potato starch , Degree of substitution(DS)

JIANG Shao-Tong, HUANG Jing, PAN Li-Jun, LUO Jian-Ping. Preparation of Sweet Potato Carboxymethyl Starch of High Degree of Substitution[J]. FOOD SCIENCE, 2002, 23(10): 33-36.

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Preparation of Sweet Potato Carboxymethyl Starch of High Degree of Substitution

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