Microencapsulation as a tool for incorporating bioactive ingredients into food

Area of Science:

• Food Science and Technology
• Pharmaceutical Sciences
• Materials Science

Background:

• Microencapsulation is a key pharmaceutical technology for drug delivery, improving bioavailability and controlling release.
• Its application in the food industry focuses on functional ingredients and flavorings, demanding cost-effective solutions.

Purpose of the Study:

• To review factors influencing bioactive ingredient release from microcapsules.
• To discuss criteria for selecting microencapsulation technologies for the food industry.
• To explore adaptation of pharmaceutical techniques for food applications.

Main Methods:

• Literature review of microencapsulation technologies and their impact on release kinetics.
• Analysis of physicochemical properties affecting core and shell materials.
• Discussion of fluidized-bed coating and extrusion-spheronization for food applications.

Main Results:

• Microcapsule type (reservoir vs. matrix) and release properties depend on technology and material properties.
• Food industry requires stringent criteria for microencapsulation technology selection due to lower profit margins.
• Pharmaceutical techniques like fluidized-bed coating and extrusion-spheronization show potential for food ingredient encapsulation.

Conclusions:

• Effective microencapsulation for functional food ingredients requires careful consideration of technology and material science.
• Adapting pharmaceutical microencapsulation methods can enhance the delivery of bioactive ingredients in food products.
• Optimizing technology selection is crucial for cost-effective functional food development.