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Position: Home > Articles > Preparation technology and properties of the crosslinking acetate of potato starch Transactions of the Chinese Society of Agricultural Engineering 2004,20 (6) 216-219

马铃薯交联淀粉醋酸酯的制备工艺及特性

作  者:
杜连起;回蓓蓓;刘瑞庆
单  位:
河北科技师范学院食品工程系
关键词:
马铃薯淀粉;淀粉醋酸酯;交联淀粉;制备工艺;特性
摘  要:
马铃薯原淀粉在水相体系、碱性条件下与醋酸酐作用,生成马铃薯淀粉醋酸酯,然后与交联剂进行交联反应,得到马铃薯交联淀粉醋酸酯。通过改变反应温度、反应时间、pH值和交联剂用量等条件,得出制取马铃薯交联淀粉醋酸酯的最佳工艺条件:反应温度35℃,pH值11,反应时间2h,交联剂用量2%。所制取的马铃薯交联淀粉醋酸酯较原淀粉在糊液黏度的稳定性、抗老化性、抗分离性等方面均有较大的改善。
译  名:
Preparation technology and properties of the crosslinking acetate of potato starch
作  者:
Du Lianqi, Hui Beibei, Liu Ruiqing (Department of Food Engineering, Hebei Normal University of Science and Technology, Changli 066600, China)
关键词:
potato starch; acetate starch; crosslinking starch; preparation technology; properties
摘  要:
Acetate of potato starch can be produced by reaction between the starch and acetic anhydride in alkaline solution, then crosslinking acetated starch can be obtained by crosslinking reaction between acetated starch and crosslinking agent. The optimum technology for producing crosslinking acetated starch was achieved through orthogonal experiments under different conditions, which was as follows: reaction temperature 35℃, pH 11, reaction time 2 h, 2% crosslinking agent. The crosslinking acetate of potato starch produced by using the optimized technology has better stability, staling resistance, phase-resistant isolation, etc. than the raw potato starch. Besides, the properties of potato starch and crosslinking acetate of potato starch were compared and analyzed.

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