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Position: Home > Articles > Preparation and Property of Cross-linked Carboxymethyl Starch from Glutinous Rice Anhui Agricultural Science Bulletin 2015 (2) 79-82

交联羧甲基糯米淀粉的制备及性质研究

作  者:
于雷;董其云;张华;张连富;金明亭
单  位:
蚌埠市兄弟粮油食品科技有限公司
关键词:
糯米淀粉;交联羧甲基;性质
摘  要:
以糯米淀粉为原料,先以环氧氯丙烷交联处理,再以氯乙酸进行羧甲基化反应,合成了交联羧甲基糯米淀粉。确定制备交联羧甲基糯米淀粉的最佳工艺条件为:糯米淀粉∶Na OH∶氯乙酸用量=1.00∶0.48∶0.44,p H6.5,55℃,4h,合成0.806取代度交联羧甲基糯米淀粉。交联羧甲基糯米淀粉的粘度增大,膨胀凝固性、热稳定性、透明度得到改善。
译  名:
Preparation and Property of Cross-linked Carboxymethyl Starch from Glutinous Rice
作  者:
Yu Lei;Brothers Foodstuff Technology Co. Ltd.;
关键词:
Glutinous rice starch;;Cross-linked Carboxymethyl;;Property
摘  要:
Cross-linking carboxymethyl double modified starch from glutinous rice was prepared by the gluti-nous rice starch,first crosslinking treatment by epichlorohydrin,and then carboxymethylation reaction bychloroacetic acid. The optimum prepare conditions of double modified starch from glutinous rice were deter-minate as:starch:Na OH:Cl CH2COOH=1.00∶0.48∶0.44(g/g),reaction p H6.5,55℃,4h. The DS was about0.806 under this condition. Modified starch viscosity increased,swelling coagulation,thermal stability andtransparency were improved.

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