Water-in-Oil Pickering Emulsions Stabilized Solely by Water-Dispersible Phytosterol Particles

被引：46

作者：

Lan, Manyu ^{[1
]}

Song, Yuan ^{[2
]}

Ou, Shiyi ^{[1
]}

Zheng, Jie ^{[1
]}

Huang, Caihuan ^{[1
]}

Wang, Yong ^{[1
]}

Zhou, Hua ^{[1
]}

Hu, Wenzhong ^{[3
]}

Liu, Fu ^{[1
]}

机构：

[1] Jinan Univ, Dept Food Sci & Engn, Guangzhou 510632, Peoples R China

[2] Jinan Univ, Out Patient Dept Univ, Affiliated Hosp 1, Guangzhou 510632, Peoples R China

[3] Dalian Minzu Univ, Coll Life Sci, Key Lab Biotechnol & Bioresources Utilizat, Minist Educ, Dalian 116600, Peoples R China

来源：

LANGMUIR | 2020年 / 36卷 / 49期

关键词：

NANOPARTICLES; PRECIPITATION; SURFACTANTS; WETTABILITY; FABRICATION; RELEASE; ENHANCE; DRUG;

D O I：

10.1021/acs.langmuir.0c02301

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Water-in-oil (W/O) Pickering emulsions were successfully synthesized by water-dispersible phytosterol (PS) particles formed through simple antisolvent precipitation. The effects of the organic/aqueous ratio on the particle morphology, crystallinity, and contact angle were investigated. Sheet-like PS particles with reduced crystallinity were further used as W/O Pickering emulsion stabilizers. The properties of the formed W/O emulsions could be transformed by changing the oil type, water-phase fraction, or particle contents. Results showed that emulsions with 80% water fraction could be stabilized by 3% particles in the aqueous phase, where dodecane was used as the oil phase. W/O Pickering emulsions stabilized by PS particles showed temperature responsiveness. 'When dried, PS particles could be well dispersed either in the water or oil phase to stabilize W/O Pickering emulsions. Therefore, this kind of PS particles could not only enrich the family of food-grade Pickering stabilizers, especially the W/O type, but also provide a smart Pickering stabilizer to fabricate environmental-responsive emulsion products.

引用

页码：14991 / 14998

页数：8

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