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Southern Australian seaweeds: a promising resource for omega-3 fatty acids

Schmid, M, Kraft, LGK, van der Loos, LM, Kraft, GT, Virtue, P ORCID: 0000-0002-9870-1256, Nichols, PD and Hurd, CL ORCID: 0000-0001-9965-4917 2018 , 'Southern Australian seaweeds: a promising resource for omega-3 fatty acids' , Food Chemistry, vol. 265 , pp. 70-77 , doi: 10.1016/j.foodchem.2018.05.060.

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Abstract

To assess the suitability of southern-Australian macroalgae as potential marine resources for fatty acids (FA), andin particular polyunsaturated fatty acids (PUFA), analysis of 61 species, comprising of 11 Chlorophyta, 17Phaeophyceae (Ochrophyta) and 33 Rhodophyta, was conducted. Total fatty acid (TFA) concentrations variedconsiderably (between 0.6 and 7.8 in % of dry weight (DW)) between species, with on average the highestconcentrations being in the Phaeophyceae, then the Chlorophyta, and with the Rhodophyta recording the lowestaverage concentrations. Results revealed significant differences in the fatty acid profiles of the three algalgroups. Most species exhibit high proportions of PUFA in their fatty acid profile and a low ratio of n-6/n-3 PUFA.These properties highlight the potential for southern-Australian macroalgae to be used for these FA in food,animal feed and nutraceutical applications.

Item Type: Article
Authors/Creators:Schmid, M and Kraft, LGK and van der Loos, LM and Kraft, GT and Virtue, P and Nichols, PD and Hurd, CL
Keywords: fatty acids, seaweeds, nutrition, macroalgae, fatty acid profiles, LC-PUFA, EPA, omega-3 fatty acids
Journal or Publication Title: Food Chemistry
Publisher: Elsevier Sci Ltd
ISSN: 0308-8146
DOI / ID Number: 10.1016/j.foodchem.2018.05.060
Copyright Information:

Copyright 2018 Elsevier Ltd.

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