Dynamic high-pressure microfluidization assisting octenyl succinic anhydride modification of rice starch

被引：49
作者：
Li, Yu-ting [1 ]
Wang, Ri-si [1 ,2 ]
Liang, Rui-hong [1 ]
Chen, Jun [1 ]
He, Xiao-hong [1 ]
Chen, Rui-yun [1 ]
Liu, Wei [1 ]
Liu, Cheng-mei [1 ]
机构：
[1] Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China
[2] Jiangxi Tourism Business Vocat Coll, Sch Econ Management, Nanchang 330100, Jiangxi, Peoples R China
来源：
CARBOHYDRATE POLYMERS | 2018年 / 193卷
基金：
中国国家自然科学基金;
关键词：
Rice starch; Dynamic high-pressure microfluidization; Octenyl succinic anhydride; Modification; Physicochemical properties; IN-WATER EMULSIONS; PHYSICOCHEMICAL PROPERTIES; RHEOLOGICAL PROPERTIES; CORN STARCH; EMULSIFYING PROPERTIES; CHEMICAL-MODIFICATION; PASTING PROPERTIES; MAIZE STARCH; PECTIN; OSA;
D O I：
10.1016/j.carbpol.2018.03.103
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Octenyl succinic anhydride (OSA) modified starch is widely used in food industries. In this study, rice starch (RS) was pretreated by dynamic high-pressure microfluidization (DHPM) and subsequently modified by OSA. The influence of DHPM on OSA modification of rice starch was investigated. Results showed that DHPM pretreatment enhanced the degree of substitution by changing the morphology and crystallinity of rice starch. Compared with the rice starch modified by OSA without DHPM pretreatment (OSA-RS), the DHPM-pretreated OSA starch (DHPM-OSA-RS) presented higher peak viscosity and lower pasting temperature. DHPM-OSA-RS also exhibited better emulsifying activity and emulsion stability. This study suggested that DHPM will provide an opportunity to change the physicochemical properties of starch, with the resulting starch being more suitable for chemical modification.
引用
收藏
页码：336 / 342
页数：7
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