Preparation and structural properties of amylose complexes with quercetin and their preliminary evaluation in delivery application
文献类型： 外文期刊
作者： Lv, Rui 1 ; Qi, Liang 1 ; Zou, Yuxiao 2 ; Zou, Jinfeng 1 ; Luo, Zhigang 1 ; Shao, Ping 5 ; Tamer, Tamer Mahmoud 6 ;
作者机构： 1.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst GAAS, Guangzhou, Guangdong, Peoples R China
3.South China Inst Collaborat Innovat, Dongguan, Peoples R China
4.Overseas Expertise Intro Ctr Discipline Innovat F, Ctr 111, Guangzhou, Guangdong, Peoples R China
5.Zhejiang Univ Technol, Dept Food Sci & Technol, Hangzhou, Zhejiang, Peoples R China
6.City Sci Res & Technol Applicat SRTA City, Adv Technol & New Mat Res Inst, Polymer Mat Res Dept, New Borg El Arab City, Egypt
关键词： Amylose; Quercetin; complexes; preparation; characterization
期刊名称：INTERNATIONAL JOURNAL OF FOOD PROPERTIES （ 影响因子：2.727； 五年影响因子：2.938 ）
ISSN： 1094-2912
年卷期： 2019 年 22 卷 1 期
页码：
收录情况： SCI
摘要： In this study, amylose, known as the food-grade biopolymers has been proved as a feasible solution for the controlled delivery of quercetin. The effect of reaction variables including reaction temperature, time, pH and quercetin addition amount on the content and conversion rate of quercetin was analyzed. Meanwhile, fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) provided evidence of quercetin complexation with amylose. Then, the molecular, cluster, and fractal structures of the complexes were investigated using C-13 cross-polarization/magic angle spinning nuclear magnetic resonance (C-13 CP/MAS NMR) and small-angle X-ray scattering (SAXS). Furthermore, laser scanning confocal microscopy (CLSM) identified the precise encapsulation structure from direct observation and scanning electron microscope (SEM) was conducted to show that complexes displayed a larger size granule with smooth and angular appearance. From the antioxidant study, amylose/quercetin complexes presented effective scavenging capacity toward DPPH center dot. Besides, complexes showed high retention of quercetin in simulated stomach conditions but gradual release in simulated small intestine conditions. It was therefore confirmed that the amylose/quercetin complexes could be served as suitable carriers for the controlled release of quercetin in the digestive tract. The present research expanded the application range of starch, meanwhile proved an alternative application prospect for the ameliorative bioactive quercetin products.
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