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Abstract
In this article, we used the response surface analysis to optimize the response condition of the starch phosphate. The sodium pyrophosphate was used as the catalyst in esterification to prepare wheat starch phosphate, and we explored the influence of pH, temperature, operation time, and the amount of phosphate vs. the viscosity characteristic of the products. The best technological conditions were determined by means of response surface design, and the perfect result was obtained after the nature research of all the products. This research serves as reference to find out how to raise the economic benefits of wheat further processing and how to handle its bulk by-products, especially for industry, the most important wheat producing area.
Acknowledgments
This work was supported by the Natural Science Foundation of China under Contract No. 20672029/3020762, National 863 program of the Ministry of Science and Technology of P. R. China under Contract No. 2007AA100401. International Cooperation Program of the Ministry of Science and Technology of P. R. China under Contract No. [1999] 0251/[2001] 0103/[2001] 277. The authors thank Professor Zhao Yufen and Doctor Yan Liu and Gang Li (College of Chemistry and Engineering, Xiamen University, Xiamen 361005, P. R. China) for their kind help and valuable advice.