Impact of Physicochemical Characteristics on the Oxidative Stability of Fish Oil Microencapsulated by Spray-Drying

The aim of the present research was to identify principal parameters determining the oxidative stability of microencapsulated fish oil. Microcapsules were prepared by spray-drying using different types of n-octenylsuccinate-derivatized starch, gum Arabic, sugar beet pectin, sodium caseinate, and/or...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2007-12, Vol.55 (26), p.11044-11051
Main Authors: Drusch, Stephan, Serfert, Yvonne, Scampicchio, Matteo, Schmidt-Hansberg, Benjamin, Schwarz, Karin
Format: Article
Language:English
Subjects:
Biological and medical sciences
Capsules
Chemical Phenomena
Chemistry, Physical
Desiccation - methods
Drug Stability
drying
emulsifying properties
emulsions
Emulsions - chemistry
Fat industries
fish oils
Fish Oils - chemistry
Food Chem/Biochem
Food industries
Fundamental and applied biological sciences. Psychology
lipid oxidation
matrix
microencapsulation
Microscopy, Electron, Scanning
Oxidation-Reduction
oxidative stability
particle properties
Particle Size
physicochemical properties
polyunsaturated fatty acids
Technology, Pharmaceutical
Wall material
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Summary:The aim of the present research was to identify principal parameters determining the oxidative stability of microencapsulated fish oil. Microcapsules were prepared by spray-drying using different types of n-octenylsuccinate-derivatized starch, gum Arabic, sugar beet pectin, sodium caseinate, and/or glucose syrup. Two principal components to classify the different microcapsules accounting for up to 79% of the variance were identified. The principal components were determined by physicochemical parameters reflecting the emulsifying ability of the encapsulant and the drying behavior of the parent emulsion. Microcapsules, which were identified by principal component analysis to be significantly different, exhibited a low stability upon storage, showing that the principal components and, thus, the underlying physicochemical parameters analyzed in the present study are correlated with core material stability.
ISSN:0021-8561
1520-5118
DOI:10.1021/jf072536a