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KMID : 1024620120320020220
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Food Science of Animal Resources
2012 Volume.32 No. 2 p.220 ~ p.227
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Influence of Coating Materials and Emulsifiers on Nanoparticles in Manufacturing Process
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Kim Byung-Cheol
Chun Ji-Yeon
Park Young-Mi
Hong Geun-Pyo
Lee Si-Kyung
Choi Mi-Jung
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Abstract
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The objective of this study was to investigate the influence of emulsion processing with various homogenization treatments on the physical properties of nanoparticles. For the manufacturing of nanoparticles, by taking the emulsion-diffusion method, various coating materials, such as gum arabic, hydroxyethyl starch, polycarprolactone, paraffin wax, Κ-carrageenan and emulsifiers like Tween(R)60, Tween(R)80, monoglyceride and Pluronic(R)F68, were added into the emulsion system. Furthermore, the various speeds (7,000 rpm to 10,000 rpm), and times (15 s to 60 s) of homogenization were treated during the emulsion- diffusion process. NEO II homomixer was the most effective homogenizer for making nanoparticles as 51 nm (D_10) and 26 nm (D_50). To manufacture smaller nanoparticles, by using NEO II homomixer, 10,000 rpm of agitation speed, polycaprolactone as coating material, and Pluronic(R)F68 as an emulsifier were the optimum operating conditions and components. For the stability of nanoparticles for 7 days, 20℃ of storage temperature was appropriate to maintain the particle size. From these results, the type of homogenizer, homogenization speed, homogenization time and storage temperature could affect the particle size. Moreover, type of coating materials and emulsifier also influenced the size and stability of the nanoparticles.
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KEYWORD
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nanoparticle, encapsulation, type of homogenizer, coating material, emulsifier
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