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The formulation and stability of water-in-oil-in-water emulsions

Posted on:1998-05-22Degree:Ph.DType:Dissertation
University:University of ConnecticutCandidate:Opawale, Foyeke OlapemoFull Text:PDF
GTID:1462390014478332Subject:Health Sciences
Abstract/Summary:
The film strength of single ((Spans;Spans 20, 80 and 83 films exhibited appreciable elasticity (753.17 ;Span-cholesterol-Tween and Span-protein mixtures were investigated to enhance film strength at the secondary interface. These systems were determined to be limited in their application to improving multiple emulsion stability owing to their low interfacial elasticity and the inability to reduce interfacial free energy respectively.;Coacervation of the multiple oil droplets was investigated as a novel and practical approach to stabilizing W/O/W emulsion systems. Gelled or powder multiple droplets using gelatin/alginate complex coacervation were prepared which can be stored as such and then reverted to liquid W/O/W emulsions on administration.
Keywords/Search Tags:Film strength
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