Journal
AICHE JOURNAL
Volume 59, Issue 1, Pages 155-167Publisher
WILEY
DOI: 10.1002/aic.13800
Keywords
hydrodynamic cavitation; ferrous fumarate; colloidal phenomena; submicron multiple emulsion; formulation; iron encapsulation
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Ferrous fumarate, [C4H2FeO4] is widely utilized in the effective treatments and prevention of iron deficiency anemia. But, its administration has been oftentimes linked with quite a few side effects than ferric products. To overcome the side effects, multiple water-in-oil-in-water (W/O/W) emulsion formulations had been proposed as a new drug delivery system for the controlled release of entrapped active iron compound. In this study, high-pressure liquid whistle hydrodynamic cavitation reactor has been developed to produce highly stable W/O/W multiple emulsions containing Ferrous Fumarate in submicron scale (similar to 600 nm) with the droplet-size distribution polydispersity index in the narrow regime (0.35-0.40). The microscopic observations confirmed that that the physical stability of the W/O/W emulsions was increased significantly with operating pressure and number of emulsification passes. Looking at the potential for scale-up, this could be a promising technique to produce multiple emulsions incorporated with active constituents. (C) 2012 American Institute of Chemical Engineers AIChE J, 59: 155-167, 2013
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