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Tannic Acid-Aminated Sugar Beet Pectin Nanoparticles as a Stabilizer of High-Internal-Phase Pickering Emulsions

文献类型： 外文期刊

作者： Chen, Hualei 1 ; Wang, Zhiming 2 ; Guo, Xiaoming 4 ; Yu, Shujuan 1 ; Zhang, Tao 1 ; Tang, Xiangyi 1 ; Yang, Zhanwei 1 ; Meng, Hecheng 1 ;

作者机构： 1.South China Univ Technol, Coll Food Sci & Engn, Guangzhou 510640, Peoples R China

2.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Minist Agr & Rural Affairs,Guangdong Key Lab Agr, Guangzhou 510610, Peoples R China

3.Overseas Expertise Intro Ctr Discipline Innovat F, Guangzhou 510640, Peoples R China

4.Shenzhen Univ, Inst Adv Study, Shenzhen Key Lab Food Nutr & Hlth, Shenzhen 518060, Peoples R China

关键词： tannic acid; nanoparticles; Pickering emulsion; aminated sugar beet pectin

期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.895； 五年影响因子：6.048 ）

ISSN： 0021-8561

年卷期：

页码：

收录情况： SCI

摘要： Pickering stabilizers with additional antioxidant, photostabilizing, and metal-chelating properties are suitable for structuring multifunctional Pickering emulsion systems. Tannic acid (TA) is a potential material which when adsorbed onto the interface may impart antioxidant, UV-light-shielding, and chelating properties to Pickering stabilizers. Herein, we report a type of TA polyelectrolyte nanoparticles (NPs) fabricated following a complexation between TA and aminated sugar beet pectin (SBP-NH2). This study is geared toward investigating the performance of TA/SBP-NH2 NPs in stabilizing Pickering emulsions and protecting beta carotene from degradation. TA/SBP-NH2 NPs formed under optimum conditions had a mean diameter of 82 nm with a sphere-like shape. Because of their favorable surface wettability (91.2 degrees), TA/SBP-NH2 NPs promoted formation of the low-, medium-, and highinternal-phase Pickering emulsions (HIPEs) in an oil volume fraction (9)-dependent manner; the TA/SBP-NH2 NP-stabilized HIPE demonstrated viscoelastic properties increasing with the increasing concentration (c) of nanoparticles. Due to the excellent storage stability and UV light-absorbing capacity, the photostability of beta-carotene was significantly improved by a TA/SBP-NH2 NPstabilized HIPE (9 = 0.75; c = 3 mg/mL). Altogether, this study highlights that TA/SBP-NH2 NPs have potential applications in structuring Pickering emulsions with improved protective effects on loaded lipophilic compounds.

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