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- Title
Review on the Stability Mechanism and Application of Water‐in‐Oil Emulsions Encapsulating Various Additives.
- Authors
Zhu, Qiaomei; Pan, Yijun; Jia, Xin; Li, Jinlong; Zhang, Min; Yin, Lijun
- Abstract
Water‐in‐oil (W/O) emulsions can be used to encapsulate and control the release of bioactive compounds for nutrition fortification in fat‐based food products. However, long‐term stabilization of W/O emulsions remains a challenging task in food science and thereby limits their potential application in the food industry. To develop high‐quality emulsion‐based food products, it is essential to better understand the factors that affect the emulsions' stability. In real food system, the stability situation of W/O emulsions is more complicated by the fact that various additives are contained in the products, such as NaCl, sugar, and other large molecular additives. The potential stability issues of W/O emulsions caused by these encapsulated additives are a current concern, and special attention should be given to the relevant theoretical knowledge. This article presents several commonly used methods for the preparation of W/O emulsions, and the roles of different additives (water‐ and oil‐soluble types) in stabilizing W/O emulsions are mainly discussed and illustrated to gain new insights into the stability mechanism of emulsion systems. In addition, the review provides a comprehensive and state‐of‐art overview of the potential applications of W/O emulsions in food systems, for example, as fat replacers, controlled‐release platforms of nutrients, and delivery carrier systems of water‐soluble bioactive compounds. The information may be useful for optimizing the formulation of W/O emulsions for utilization in commercial functional food products.
- Subjects
FOOD emulsions; EMULSIONS; FAT substitutes; FOOD science; HYDROPHILIC compounds
- Publication
Comprehensive Reviews in Food Science & Food Safety, 2019, Vol 18, Issue 6, p1660
- ISSN
1541-4337
- Publication type
Article
- DOI
10.1111/1541-4337.12482