Lipid profiles, in vitro digestion and oxidative stability of mutton bird oil

Akanbi, Taiwo O. and Barrow, Colin J. 2016, Lipid profiles, in vitro digestion and oxidative stability of mutton bird oil, Journal of food science and technology, vol. 53, no. 2, pp. 1230-1237, doi: 10.1007/s13197-015-2106-7.

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Title Lipid profiles, in vitro digestion and oxidative stability of mutton bird oil
Author(s) Akanbi, Taiwo O.ORCID iD for Akanbi, Taiwo O. orcid.org/0000-0002-9249-6503
Barrow, Colin J.ORCID iD for Barrow, Colin J. orcid.org/0000-0002-2153-7267
Journal name Journal of food science and technology
Volume number 53
Issue number 2
Start page 1230
End page 1237
Total pages 8
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016-02
ISSN 0022-1155
0975-8402
Keyword(s) mutton bird oil
triacylglycerol
wax ester
carotenoids
omega-3
Summary The lipid profile, in vitro digestion and oxidative stability of mutton bird oil were investigated. Wax ester, triacylglycerol and sterol were the major lipids present as determined using capillary chromatography with flame ionisation detector (Iatroscan). Fatty acid analysis by gas chromatography (GC) showed that wax esters had a higher total omega-3 fatty acids content including EPA, DPA and DHA than TAGs (31 % and 24 %, respectively). In TAGs, 13C nuclear magnetic resonance (NMR) data showed that EPA was statistically positioned at sn-1,3 and sn-2, while DHA was preferentially at sn-2. In vitro digestion using porcine pancreatic lipase resulted in 75 % of TAG and 10 % wax ester hydrolysis in 120 min. As reflected in the measured conjugated dienes (CD) and thiobarbituric acid reactive substances (TBARS) values during accelerated oxidation at 60 °C for 5 days, the oil was relatively stable against oxidation considering its high omega-3 content.
Language eng
DOI 10.1007/s13197-015-2106-7
Field of Research 060101 Analytical Biochemistry
060107 Enzymes
0908 Food Sciences
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Association of Food Scientists & Technologists
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080200

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