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Comparison of n-3 polyunsaturated fatty acid contents of wild and cultured Australian abalone

Su, Xiao, Antonas, Kiriakos N and Duo, Li (2004) Comparison of n-3 polyunsaturated fatty acid contents of wild and cultured Australian abalone. International Journal of Food Sciences and Nutrition, 55 (2). pp. 149-154. ISSN 0963-7486 (print), 1465-3478 (online)

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Abstract

The fatty acid contents of wild and cultured Australian adult blacklip abalone, Haliotis rubra , were analysed by gas liquid chromatography. Wild abalone contained significantly higher levels of total n-3 polyunsaturated fatty acids (PUFA), eicosapentaenoic acid (20:5n-3), docosapentaenoic acid (22:5n-3) and a -linolenic acid (18:3n-3) than cultured abalone ( P B / 0.05). The predominant n-3 PUFA was docosapentaenoic acid in wild abalone, while in cultured abalone a high level of eicosapentaenoic acid was found. The concentration of docosahexaenoic acid (22:6n-3) was low in both wild and cultured abalone, and cultured abalone had a significantly higher percentage composition of this fatty acid than wild abalone ( P B / 0.01). Significantly higher levels of arachidonic acid (20:4n-6), 22:2n-6, 22:4n-6 and total n-6 PUFA were also found in wild abalone than in cultured animals ( P B / 0.05). The ratio of n-3 PUFA to n-6 PUFA was the same in wild and cultured abalone. Manipulation of nutrient sources of cultured abalone may influence their lipid composition. Consump- tion of either wild or cultured abalone will contribute to dietary n-3 PUFA intake, with benefits to human health.

Item Type: Article
Uncontrolled Keywords: aquaculture, fatty acids, omega-3, shellfish, chromatography, gas, lipids, fats, Port Phillip Bay, Victoria
Subjects: Faculty/School/Research Centre/Department > School of Biomedical and Health Sciences
FOR Classification > 1111 Nutrition and Dietetics
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Depositing User: VUIR
Date Deposited: 15 May 2013 03:48
Last Modified: 23 May 2013 05:03
URI: http://vuir.vu.edu.au/id/eprint/21732
DOI: https://doi.org/10.1080/09637480410001666469
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Citations in Scopus: 30 - View on Scopus

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