Designing stable walnut oil Pickering emulsions: Interfacial behavior and zero-order release of stigmasterol and /3 sitosterol using walnut protein-high methoxyl pectin-gallic acid complexes
文献类型： 外文期刊
作者： Zhang, Xu 1 ; Zhan, Xiaoqian 1 ; He, Ruonan 1 ; Zhang, Honghong 1 ; Li, Yazhuan 1 ; Liu, Wenyu 1 ; Wang, Ting 4 ; Zhang, Ting 5 ; Wei, Changqing 1 ;
作者机构： 1.Shihezi Univ, Sch Food Sci & Technol, Key Lab Agr Prod Proc & Qual Control Specialty Coc, Shihezi 832000, Xinjiang, Peoples R China
2.Shihezi Univ, Sch Food Sci & Technol, Key Lab Food Nutr & Safety Control Xinjiang Prod &, Shihezi 832000, Xinjiang, Peoples R China
3.Shihezi Univ, Engn Res Ctr Storage & Proc Xinjiang Characterist, Sch Food Sci & Technol, Minist Educ, Shihezi 832000, Xinjiang, Peoples R China
4.Xinjiang Acad Agr & Reclamat Sci, Shihezi, Xinjiang, Peoples R China
5.Xinjiang Acad Agr Sci, Res Inst Farm Prod Storage & Proc, Urumqi, Peoples R China
关键词： Walnut protein (WP)-high methoxyl pectin; (HMP)-gallic acid (GA); Stigmasterol (STI); /3 sitosterol (/3 SIT); Molecular docking simulation; Zero; order release
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 481 卷
页码：
收录情况： SCI
摘要： To develop stable walnut oil emulsions, this study explored the interaction of phytosterols with walnut protein (WP), high methoxyl pectin (HMP), and gallic acid (GA) complexes, as well as their release mechanisms. Walnut oil Pickering emulsions were stabilized with WP-HMP-GA complexes at varying ratios, enriched with stigmasterol (STI) and /3-sitosterol (/3 SIT). At a WP:HMP-GA ratio of 1:1 30:1, the complex particle size was 55.15 nm, with a contact angle of 68.1 degrees +/- 1.3 degrees, improving stability by approximately 22 %. Scanning electron microscopy and Fourier transform infrared spectroscopy confirmed hydrogen bonding and hydrophobic interactions. The emulsions displayed a particle size of 79.43 nm, Zeta potential of -64.56 mV, strong gel network, and significant oxidative stability. Fluorescence spectroscopy and molecular docking revealed /3 SIT's initial binding, enabling the controlled /3 SIT, STI with zero-order release. These findings clarify the molecular interactions and release behavior of STI and /3 SIT from WP-HMP-GA complexes.
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