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Silk Fibrin Extraction from Bombyx mori and Electrospinning

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A Powderization Process for Encapsulating with Functional Biomaterials Using Nozzleless Electrostatic Atomization.

Chinatsu Mori¹, Kazunori Kadota², Atsuko Shimosaka¹

¹Doshisha Univ., Dept. of Chemical Engineering and Material Science, 1-3 Miyakodani, Tatara, Kyotanabe, Kyoto, 610-0321, Japan.

Journal of Food Science

|September 3, 2019

Summary

Nozzleless electrostatic atomization effectively encapsulates oils. Higher hydrophobicity of wall materials increases oil content in powderized formulations, with larger particles containing less oil.

Keywords:

Taylor cone conductivity emulsifier free emulsion particle size distribution soybean

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Area of Science:

Food Science and Technology
Materials Science

Background:

Powderization of oils enhances polyunsaturated fatty acid stability.
Nozzleless electrostatic atomization (NEA) was previously used for soybean oil powderization.
NEA offers a one-step method for oil encapsulation within wall materials.

Purpose of the Study:

Investigate oil behavior within particles generated by NEA.
Determine the impact of different wall materials on oil encapsulation efficiency.
Analyze the relationship between particle size, wall material properties, and oil content.

Main Methods:

Utilized nozzleless electrostatic atomization for oil encapsulation.
Employed various wall materials for particle formation around oil.
Analyzed particle size and oil content in the resulting encapsulated formulations.

Main Results:

Particle size was dependent on the type of wall material used.
Increased particle size correlated with decreased oil content within the encapsulation.
Wall materials with higher hydrophobicity resulted in increased oil content.

Conclusions:

Nozzleless electrostatic atomization is a viable technique for oil encapsulation.
Wall material properties, particularly hydrophobicity, significantly influence encapsulation efficiency.
Particle size control is crucial for optimizing oil content in encapsulated products.