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Abstract

Cross-linking hydroxypropylated waxy maize starches with different DS and MS were prepared by using sodium hydroxide as a catalyst, propylene oxide as an ether reagent, sodium sulfate as a swelling inhibitor, and sodium trimetaphosphate (STMP) as a cross-linking reagent. The properties such as acid resistance, salt resistance, transparencies, and freeze-thaw stability were also studied. The result showed that:the anti-acid stability, anti-salt stability, paste transparency and freeze-thaw stability of cross-linking hydroxypropyl compound modified waxy corn starches were effect by the degree of cross-linking and hydroxypropylation. The hydroxypropylation can improve the anti-acid stability, anti-salt stability and freeze-thaw stability of starches, and cross-linking can reduce the paste transparency.

Publication Date

4-28-2015

First Page

16

Last Page

18,55

DOI

10.13652/j.issn.1003-5788.2015.02.004

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