Solubility, structural properties, and immunomodulatory activities of rice dreg protein modified with sodium alginate under microwave heating

被引：41
作者：
Meng, Xiangyong [1 ,2 ]
Li, Tingting [3 ]
Song, Teng [1 ]
Chen, Chang [2 ]
Venkitasamy, Chandrasekar [2 ]
Pan, Zhongli [2 ]
Zhang, Huien [4 ]
机构：
[1] Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241000, Peoples R China
[2] Univ Calif Davis, Dept Biol & Agr Engn, Davis, CA 95616 USA
[3] Nanjing Forestry Univ, Coll Light Ind & Food Engn, Nanjing, Jiangsu, Peoples R China
[4] Zhejiang Wanli Univ, Coll Biol & Environm Sci, Ningbo, Zhejiang, Peoples R China
来源：
FOOD SCIENCE & NUTRITION | 2019年 / 7卷 / 08期
基金：
中国国家自然科学基金;
关键词：
immunomodulation; maillard reaction; rice dreg protein; solubility; structure; FUNCTIONAL-PROPERTIES; MAILLARD REACTION; ISOLATE; FORMS;
D O I：
10.1002/fsn3.1105
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
This research aims to investigate the solubility, structural properties, and immunomodulatory of rice dreg protein (RDP) modified with sodium alginate. The modification was done by wet heating assisted with microwave treatment. The solubility, emulsifying properties at pH 2-12, amino acid composition, molecular weight distribution, circular dichroism (CD) spectroscopy, and FTIR spectra of modified RDP were analyzed and discussed. Results showed that Maillard reaction could significantly enhance the solubility and emulsifying capacity of RDP. Further, an animal model for cyclophosphamide-induced immunodeficiency was designed to evaluate the immunomodulatory effect of modified RDP. It is therefore suggested that modified RDP could improve the immunomodulatory effect of immunosuppressed mice, and the immunomodulation was concentration dependent, being generally enhanced by increased concentrations. This research revealed that glycosylation modification of RDP through Maillard reaction by wet heating assisted with microwave treatment may be successfully applied to improve the physicochemical properties and bioactive benefits of the final product.
引用
收藏
页码：2556 / 2564
页数：9
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