期刊
LANGMUIR
卷 36, 期 49, 页码 14991-14998出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.0c02301
关键词
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资金
- NNSF of China [31601431]
- Zhongshan Torch Modern Industrial Engineering Technology Research Institute Innovation Center [2019CYY01002]
- Open Fund of Key Laboratory of Biotechnology and Bioresources Utilization (Dalian Minzu University), Ministry of Education, China [KF2020003]
- Science and Technology Planning Project of Guangdong Province of China [KTP20190226]
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.
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