Study on Preparation of Starch Acetate by Microwave and Its Properties

Abstract

Abstract: With the corn starch as a raw material, the acetic anhydride as the acetylize reagent and the sodium hydroxide as the catalyst, the starch acetate synthesis process test are its properties wer studied. The optimum conditions confirmed by orthogonal: the acetic anhydride amount 80%, water amount added 2 g, radiation time 5 min, radiation power 200 W. On these conditions degree of substitution is 0.1386. And by the RVA fast viscosity analyzer, theinfrared light spectrometer and the scanning electron microscope the properties of product were determined.

Key words: microwave, starch acetate, acetic anhydride, degree of substitution

ZHAO Hai-Bo, MA Tao, ZHANG Ye. Study on Preparation of Starch Acetate by Microwave and Its Properties[J]. FOOD SCIENCE, 2007, 28(8): 181-184.

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Study on Preparation of Starch Acetate by Microwave and Its Properties

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