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KMID : 0380620080400060621
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Korean Journal of Food Science and Technology
2008 Volume.40 No. 6 p.621 ~ p.625
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Stability and Processing Characteristics of Microencapsulated Squid Liver Oil by FluidizedBed Coating
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Hwang Sung-Hee
Youn Kwang-Sup
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Abstract
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Squid oil is an abundant source of polyunsaturated fatty acids. This is particularly true for eicosapentaenoic acidand docosahexaenoic acid. The principal objective of this study was to extend the stability and improve the processaptitude of squid liver oil. Fluidized bed coatings were employed for coating with microencapsulated oil. The efficiencyof the fluidized bed coating of the microencapsulated powder was over 90%. The apparent density with zein-DP was 0.6g/mL, thereby indicating that flow ability had been improved as the result of an increase in specific gravity. The solubilityof artificial gastric and enteric fluids with HPMC-FCC was 59.9 and 0%, respectively, whereas with zein-DP solubility was0 and 31.0%, respectively. Polyunsaturated fatty acid retention results demonstrated that zein-DP coating was higher thanHPMC-FCC, followed by the microencapsulated squid liver oil method. These results demonstrated that the application ofmicroencapsulation and fluidized bed micro-coating techniques improved the stability and processing compatibility of squidliver oil.
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KEYWORD
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squid liver oil, microencapsualtion, fluidized bed coating
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