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Updated: Jan 21, 2026

Cellular Affinity of Particle-Stabilized Emulsion to Boost Antigen Internalization
Published on: September 2, 2022
A stable high internal phase emulsion fabricated with OSA-modified starch: an improvement in β-carotene stability and
Chi Yan1, David Julian McClements2, Liqiang Zou1
1State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China. zouliqiang2010@163.com liuwei@ncu.edu.cn.
Abstract:
A high internal phase emulsion (HIPE) was firstly fabricated with octenyl succinic anhydride modified starch through simple shear dispersion. The impact of the emulsifier level, pH, and ionic strength on the rheology, microstructure, interfacial properties, water binding and thermal stability of the HIPE was determined. The results indicated that HIPEs could be formed at a suitably modified starch concentration (≥3 wt%), a wider range of pH (3 to 7) and all test salt levels (0 to 400 mM NaCl). Encapsulation of a sensitive hydrophobic nutraceutical (β-carotene) within the HIPEs could improve its chemical stability under UV exposure, and the degradation ratio was fairly similar at all test pH values. The β-carotene stability and bioaccessibility during in vitro digestion were improved by encapsulation into HIPEs, but their values depended on pH to some extent. These results are useful for designing and fabricating modified starch-stabilized HIPEs which can be utilized in functional food and pharmaceutical applications.
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