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Lipase-produced hydroxytyrosyl eicosapentaenoate is an excellent antioxidant for the stabilization of omega-3 bulk oils, emulsions and microcapsules

Akanbi, Taiwo Olusesan and Barrow, Colin James 2018, Lipase-produced hydroxytyrosyl eicosapentaenoate is an excellent antioxidant for the stabilization of omega-3 bulk oils, emulsions and microcapsules, Molecules, vol. 23, no. 2, pp. 1-15, doi: 10.3390/molecules23020275.

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Title Lipase-produced hydroxytyrosyl eicosapentaenoate is an excellent antioxidant for the stabilization of omega-3 bulk oils, emulsions and microcapsules
Author(s) Akanbi, Taiwo OlusesanORCID iD for Akanbi, Taiwo Olusesan orcid.org/0000-0002-9249-6503
Barrow, Colin JamesORCID iD for Barrow, Colin James orcid.org/0000-0002-2153-7267
Journal name Molecules
Volume number 23
Issue number 2
Article ID 275
Start page 1
End page 15
Total pages 15
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2018-02
ISSN 1420-3049
1420-3049
Keyword(s) Candida antarctica B
antioxidant
conjugation
eicosapentaenoic acid
enzyme
hydroxytyrosol
lipase
microencapsulation
science & technology
life sciences & biomedicine
physical sciences
biochemistry & molecular biology
chemistry
Summary In this study, several lipophilic hydroxytyrosyl esters were prepared enzymatically using immobilized lipase from Candida antarctica B. Oxidation tests showed that these conjugates are excellent antioxidants in lipid-based matrices, with hydroxytyrosyl eicosapentaenoate showing the highest antioxidant activity. Hydroxytyrosyl eicosapentaenoate effectively stabilized bulk fish oil, fish-oil-in-water emulsions and microencapsulated fish oil. The stabilizing effect of this antioxidant may either be because it orients itself with the omega-3 fatty acids in the oil, thereby protecting them against oxidation, or because this unstable fatty acid can preferentially oxidise, thus providing an additional mechanism of antioxidant protection. Hydroxytyrosyl eicosapentaenoate itself was stable for one year when stored at -20 °C.
Language eng
DOI 10.3390/molecules23020275
Field of Research 0305 Organic Chemistry
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2018, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30107974

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.