Green Preparation and Properties of Epigallocatechin-3-gallate Loaded Debranched Banana Starch Nanoparticles

被引：1
作者：
Duan Z. [1 ]
Wang S. [2 ]
Ai B. [2 ]
Zheng L. [2 ]
Zheng X. [2 ]
Yang Y. [2 ]
Xiao D. [2 ]
Yang J. [1 ]
Sheng Z. [2 ]
机构：
[1] College of Food Science and Engineering, Hainan University, Haikou
[2] Haikou Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Haikou
来源：
Shipin Kexue/Food Science | 2023年 / 44卷 / 12期
关键词：
antioxidant activity; banana starch; enzymatic regeneration; nanoparticle; release kinetics; stability;
D O I：
10.7506/spkx1002-6630-20220921-210
中图分类号：
学科分类号：
摘要：
The effects of different temperature-time regimes of enzymatic retrogradation on the particle size, microscopic morphology, crystal structure, functional groups and epigallocatechin-3-gallate (EGCG)-loading capacity of debranched starch nanoparticles (DBS-NPs) prepared with green banana starch were investigated. Meanwhile, the stability, antioxidant properties and in vitro release behavior of EGCG@DBS-NPs were investigated. It was shown that compared with green banana starch, the particle size of DBS-NPs decreased from (23.4 ± 7.3) μm to (208.5 ± 2.7) nm, and the crystal structure changed from type C to C→B or C→A. Besides, the relative crystallinity and the hydrogen bonding force between molecular chains were enhanced. EGCG showed the highest loading capacity (4.34%) and encapsulation efficiency (86.89%) in DBSNP50-12, and their combination exhibited synergistic antioxidant activity. EGCG@DBS-NP50-12 was found to be more stable in a near neutral environment than in an acidic environment, and significantly more stable than free EGCG during storage. EGCG@DBS-NP50-12 exhibited excellent slow release behavior in vitro, which was fitted to a first-order kinetic equation. This study provides a reference for the preparation and application of starch nanoparticles, which has potential value in the construction of starch-based bioactive carriers. © 2023 Chinese Chamber of Commerce. All rights reserved.
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页码：74 / 83
页数：9
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