糖基化-酰化修饰改善菜籽蛋白凝胶结构和功能性质Improvement of structure and functional properties of rapeseed protein gel by glycosylation-acylation modification
以菜籽分离蛋白为原料,在琥珀酸酐酰化改性的基础上采用3种多糖(羧甲基壳聚糖、氧化葡聚糖、羧甲基纤维素)协同TG酶催化对菜籽蛋白进行了糖基化修饰,再通过热诱导制备改性菜籽蛋白凝胶,研究不同多糖与酰化协同修饰对菜籽蛋白凝胶结构和功能性质的影响。结果表明:糖基化-酰化修饰菜籽蛋白,形成了致密且均匀的凝胶网络结构,使其溶胀性能、流变性能和凝胶强度均得到了改善。其中,羧甲基壳聚糖协同琥珀酸酐酰化修饰菜籽蛋白,获得的菜籽蛋白凝胶硬度最大,为92.337 g,弹性较好,为0.960,溶胀率为8.432 g/g;其表面疏水性最高,为1 305.1,自由巯基含量最低,为1.73 μmol/g;其内部形成的网络结...
Main Author: | 何荣,黄家强,张倩玉 HE Rong, HUANG Jiaqiang, ZHANG Qianyu |
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Format: | Article |
Language: | English |
Published: |
中粮工科(西安)国际工程有限公司
2022-03-01
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Series: | Zhongguo youzhi |
Subjects: | |
Online Access: | http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20220309&year_id=2022&quarter_id=3&falg=1 |
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