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Research Progress on the Effects of Different Treatments Comparison of Microstructure and Properties of Egg Yolk Components

2, 2, 2, 2, 2,Xin Li   

  • Received:2022-06-13 Revised:2023-06-29 Online:2023-08-15 Published:2023-08-29
  • Contact: Xin Li E-mail:nallyxin@163.com

Abstract: Egg yolk is rich in nutrition and complex in structure. Its main components are egg yolk granules (EYGs) and egg yolk plasma (EYP). During the production and processing, it is found that the physicochemical properties and microstructures are quite different for these two parts after different treatments, which might directly determine their functional properties. Therefore, this paper reviews the effects of different treatments, including salting, alkali treatment, heat treatment and enzymatic treatment, on the physicochemical properties (surface hydrophobicity, oil exudation, protein solubility, etc.) and microstructure of EYGs and EYP. In addition, characteristics of EYGs and EYP were discussed and prospected in order to provide theoretical supports for a clearer understanding of the relationships between physicochemical properties/microstructures of egg yolk components and their functional properties.

Key words: egg yolk granules, egg yolk plasma, different treatments, physicochemical properties, microstructure, functional properties

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