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Research Article

Effect of oil loading on microspheres produced by spray drying

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Pages 253-259 | Received 21 Mar 2004, Accepted 10 Sep 2004, Published online: 03 Oct 2008
 

Abstract

Oil-loaded microspheres were produced by spray drying emulsions consisting of fish oil and modified starch suspensions with different oil loadings. The emulsion stability was assessed by oil droplet size analysis. Microspheres were characterized in terms of size, morphology, yield and microencapsulation efficiency. It was found that an increase in oil loading resulted in emulsions containing larger oil droplets. This corresponded with larger mean microsphere diameters and rounder microspheres. However, high oil loadings produced lower yields and affected microencapsulation efficiencies.

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