Effect of shell separation pretreatment on the physicochemical properties of octenyl succinic anhydride-modified starch
文献类型： 外文期刊
作者： Gao, Wei 1 ; Sui, Jie 3 ; Yu, Bin 1 ; Liu, Pengfei 1 ; Cui, Bo 1 ;
作者机构： 1.Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Peoples R China
2.Qilu Univ Technol, Shandong Acad Sci, Sch Food Sci & Engn, Jinan 250353, Shandong, Peoples R China
3.Shandong Acad Agr Sci, Jinan 250131, Shandong, Peoples R China
4.Qilu Univ Technol, Shandong Acad Sci, Daxue Rd, Jinan 250353, Shandong, Peoples R China
关键词： Shells separation pretreatment; OSA esterified starch; Degree of substitution
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.025； 五年影响因子：7.626 ）
ISSN： 0141-8130
年卷期： 2022 年 221 卷
页码：
收录情况： SCI
摘要： The effects of shell separation pretreatment (SSP) on the physicochemical properties of octenyl succinic anhydride (OSA)-modified starch were investigated in this study. SSP at different temperatures promoted esterification between starch molecules and OSA and thereby achieved a higher degree of substitution (DS). OSA-modified granule shells (OSCs) exhibited a rough surface and irregular shape, which were attributed to swelling caused by SSP during modification processes. The paste viscosity and viscoelastic properties of OSC(s )were enhanced after SSP. Both the swelling power and transparency of OSA esterified starch increased with DS values after SSP. The content of resistant starch (RS) among OSA esterified starch increased from 33.18 % to 45.33 %, which mainly occurred when SSP was introduced into the OS starch synthesis process. In summary, SSP at different temperatures promoted the unique physicochemical properties of OSCs specimens by increasing their DS values.
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