Encapsulation of mint essential oil: Techniques and applications

Area of Science:

• Food Science
• Material Science
• Chemical Engineering

Background:

• Mint essential oil (MEO) possesses significant antibacterial and antioxidant properties.
• MEO is a promising natural agent for preservation, flavoring, and medicinal applications.
• Limited solubility and high volatility hinder the broad application of MEO.

Purpose of the Study:

• To review the physicochemical and functional properties of MEO.
• To summarize recent advancements in MEO encapsulation techniques.
• To explore the applications of encapsulated MEO in diverse products.

Main Methods:

• Encapsulation technologies are employed to improve MEO stability.
• Techniques include emulsification, coacervation, spray drying, and electrospinning.
• Micro/nanoparticles are formed to protect MEO from environmental degradation.

Main Results:

• Encapsulation enhances MEO stability, reduces volatility, and controls release.
• Improved handling and transportation of MEO are achieved.
• Increased efficiency and extended industrial applications of MEO are demonstrated.

Conclusions:

• Encapsulated MEO shows excellent performance in food, bioagricultural, pharmaceutical, and healthcare products.
• Encapsulation effectively overcomes MEO's limitations.
• Micro/nanocapsulated MEO offers a stable and versatile form of this bioactive compound.