By David Julian McClements
Nutrients Emulsions: ideas, perform, and strategies, moment version introduces the basics of emulsion technology and demonstrates how this data could be utilized to raised comprehend and keep watch over the looks, balance, and texture of many universal and critical emulsion-based meals. Revised and improved to mirror contemporary advancements, this moment version presents the main finished and modern dialogue of the sector of nutrition emulsions at the moment to be had. It comprises useful information regarding the formula, guidance, and characterization of nutrients emulsions, in addition to the basic wisdom had to keep an eye on and enhance foodstuff emulsion homes. New positive factors contain updates of all chapters, a serious review of the foremost sensible materials utilized in foodstuff emulsions, and studies of contemporary advances in characterizing emulsion houses.
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Extra info for Food emulsions: principles, practices, and techniques
Nevertheless, by using a well-defined model system it is possible to elucidate the primary factors that influence the properties of proteins in emulsions in a more quantitative fashion. Once these primary factors have been established, it is possible to increase the complexity of the model by introducing additional variables and systematically examining their influence on the overall properties. This incremental approach eventually leads to a thorough understanding of the factors that determine the properties of actual food emulsions, and to the development of theories that can be used to describe and predict their behavior.
Throughout this book, it will be necessary to introduce a number of theories that have been developed to describe the properties of emulsions. Rather than concentrating on the mathematical derivation of these theories, we will highlight their physical significance and focus on their relevance to food scientists. A feeling for the major factors that determine the properties of food emulsions can often be gained by programming these theories onto a personal computer and systematically examining the role that each physical parameter in the equation plays.
The ζ-potential is the effective surface potential of a droplet suspended in a medium, which takes into account that charged species in the surrounding medium may adsorb to the surface of the droplet and alter its net charge. The ζ-potential can be conveniently measured in the laboratory using commercially available analytical instrumentation (Chapter 11). The charge on a droplet is important because it determines the nature of its interactions with other charged species (Chapters 2–4) or its behavior in the presence of an electrical field (Chapter 11).