Document Detail


Impact of different dietary phospholipid levels on cholesterol and canthaxanthin lipoprotein-serum transport and muscle deposition in rainbow trout.
MedLine Citation:
PMID:  19256559     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The study was designed to assess the effect of a progressive increase of dietary phospholipid (PL) levels in the transport of cholesterol and canthaxanthin by serum lipoproteins and their deposition in trout muscle. Three groups of 30 immature rainbow trouts, in triplicate, with a mean body weight of 195 g were fed three experimental diets containing 0, 4, and 8% extra PL contents for 6 weeks. The two major lipoprotein classes in rainbow trout were HDL and LDL. Both lipoproteins were the main transporters of serum canthaxanthin, whereas cholesterol was transported principally by LDL. Serum cholesterol contents remained constant, whereas serum canthaxanthin was increased when the PL amount augmented. In muscle, PL seemed not to have an effect on cholesterol and canthaxanthin deposition. Therefore, as an extra-PL contribution in the diet did not increase relative percentages of cholesterol and/or canthaxanthin in trout muscle, the results support the hypothesis that dietary extra-PL addition is not necessary to increase cholesterol and canthaxanthin and thus fish flesh pigmentation. However, a saturation effect of diet PL contents was found on muscle canthaxanthin deposition.
Authors:
Ana M Salvador; Ana Alonso-Damián; Georges Choubert; José Carlos G Milicua
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  57     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2009-03-04     Completed Date:  2010-08-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2016-21     Citation Subset:  IM    
Affiliation:
Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country, P.O. Box 644, 48080 Bilbao, Spain.
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MeSH Terms
Descriptor/Qualifier:
Animals
Biological Transport
Canthaxanthin / blood,  metabolism*
Cholesterol / blood,  metabolism*
Dietary Fats / administration & dosage,  metabolism
Lipoproteins / blood,  metabolism*
Muscle, Skeletal / metabolism*
Oncorhynchus mykiss / blood,  metabolism*
Phospholipids / administration & dosage*,  metabolism
Chemical
Reg. No./Substance:
0/Dietary Fats; 0/Lipoproteins; 0/Phospholipids; 514-78-3/Canthaxanthin; 57-88-5/Cholesterol

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