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Formulation and stabilization of high internal phase emulsions via mechanical cellulose nanofibrils/ethyl lauroyl arginate complexes

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文献类型：外文期刊

作者： Huang, Luyao ¹ ; Xu, Chuan ¹ ; Gao, Wenhua ¹ ; Rojas, Orlando J. ² ; Jiao, Wenjuan ³ ; Guo, Shasha ¹ ; Li, Jun ¹ ;

作者机构： 1.South China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China

2.Univ British Columbia, Bioprod Inst, Dept Chem & Biol Engn, Dept Chem, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada

3.Univ British Columbia, Dept Wood Sci, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada

4.Minist Agr & Rural Affairs, Sericulture & Agrifood Res Inst, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc,Guangdong Acad Agr, Guangzhou 510610, Peoples R China

关键词： Cellulose nanofibrils; Ethyl lauroyl arginate; High internal phase emulsions; 3D printing

期刊名称：CARBOHYDRATE POLYMERS （影响因子：11.2；五年影响因子：10.2 ）

ISSN： 0144-8617

年卷期： 2024 年 324 卷

页码：

收录情况： SCI

摘要： Motivated by the quest for biocompatibility, we report on oil-in-water (O/W), high-internal-phase Pickering emulsions stabilized via complexes of mechanical cellulose nanofibrils (CNF) and food-grade cationic surfactant ethyl lauroyl arginate (LAE). The complexation of oppositely charged CNF and LAE can be held together by electrostatic interaction. Their effect on suspensions electrostatic stabilization, heteroaggregation state, and emulsifying ability was studied and related to properties of resultant interfacial tension between oil and water and 3D printing of emulsions. The Pickering system with adjustable droplet diameter and stability against creaming and oiling-off during storage was achieved resting with LAE loading. Complexes formed by LAE adjustment act as Pickering stabilizers and three-dimensional networks in emulsion system, forming a scaffold with elastoplastic rheological properties that flows above critical stress while, without any additional treatment, exhibiting the required self-standing properties for 3D printing. By understanding the properties of CNF/LAE behavior in bulk and on interfaces, printing edible functional foods of CNF/LAE-based emulgel inks has been demonstrated to enable regulation of oil release.

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