Abstract
The following chapter brings forward an overview of the importance of the microencapsulation of bioactive ingredients through coacervation/complex coacervation. In this method, the core material(s) is entrapped into a polymeric matrix which is constructed by one or more biopolymers. The method is very effective for microencapsulating both hydrophobic and hydrophilic compounds. Additionally, the microencapsulation process through coacervation mostly results in a high encapsulation efficiency and great bonding between core and wall material. The factors affecting the coacervation process, such as pH, ionic strength, temperature, etc. and theories in this area are presented. Moreover, methods to detect coacervate and to optimize the coacervation process are revealed in this chapter. Afterward, recent approaches in developing microencapsulated ingredients through coacervation for food application and drug delivery are discussed. Finally, the methods to characterize microencapsulated ingredients through coacervation are presented.
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