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Enriched on-grown Artemia metanauplii actively metabolise highly unsaturated fatty acid-rich phospholipids

Citation
Guinot D, Monroig O, Hontoria F, Amat F, Varo I & Navarro JC (2013) Enriched on-grown Artemia metanauplii actively metabolise highly unsaturated fatty acid-rich phospholipids, Aquaculture, 412-413, pp. 173-178.

Abstract
On-grown (metanaupliar) stages of Artemia have been regarded as more adequate preys for early life-cycle stages of cephalopods, crustaceans, and a variety of fish species. In recent studies, we obtained successful enhancements of highly unsaturated fatty acids (HUFA) and polar lipids (PL) in enriched Artemia metanauplii using either a combination of a commercial, neutral lipid (NL)-based HUFA-rich emulsion and Soya lecithin, or HUFA-rich phospholipids. The present study aimed at exploring the molecular form under which dietary HUFA are actually deposited in the metanaupliar lipids. Thus, we analysed the fatty acid (FA) composition of the PL and NL fractions from enriched metanauplii, with special emphasis on the fate of docosahexaenoic acid (DHA) within Artemia lipids. The results show that on-grown Artemia actively translocated ingested FA contained from PL to NL classes including triacylglycerides.

Keywords
Docosahexaenoic acid; Fatty acids; Lipid conversions; On-grown Artemia; Polar lipids

StatusPublished
AuthorsGuinot Diana, Monroig Oscar, Hontoria Francisco, Amat Francisco, Varo Inma, Navarro Juan Carlos
Publication date01/11/2013
PublisherElsevier
ISSN 0044-8486
LanguageEnglish

Journal
Aquaculture: Volume 412-413 (NOV 1 2013)

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