Cited by 8Fatty Acid Research and HealthAquaculture Nutrition and GrowthLipid metabolism and biosynthesis

Neuronal depletion of omega-3 fatty acids induces flax seed dietary self-selection in the rat

Dunlap, Steven, Heinrichs, Stephen C.·2009·Brain Research

Abstract

The impact of essential dietary fatty acid deficiency on self-selection of fatty acid enriched foods is little studied in spite of widespread health promotion claims for fatty acid supplemented diets. Accordingly, the present studies investigated the consequences of consumption over four weeks of omega-3 fatty acid replete and deficient diets on dietary fatty acid self-selection and brain lipid composition in rats. Dietary omega-3 fatty acid deficiency produced correspondingly low levels (50-55% decrease) of omega-3 fatty acids in the forebrain relative to rats consuming an omega-3 fatty acid replete diet. The state of omega-3 fatty acid deficiency generated a robust preference for consumption of an omega-3 fatty acid replete diet. Moreover, omega-3 fatty acid self-selection developed slowly and was not present in rats maintained on laboratory chow diet suggesting that post-ingestive nutritional cues, rather than taste, odor or texture cues, were employed in guiding the preference for the omega-3 fatty acid enriched diet. These results provide evidence for the ability of rats with declining brain levels of omega-3 fatty acids to detect a dietary deficiency of this essential class of lipids and to identify and consume a food source capable of restoring fatty acid repletion.

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Crossref · 10.1016/j.brainres.2008.10.072

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Authors
Dunlap, S., & Heinrichs, S. C.
Affiliations
Boston College (US)
Corresponding author
Heinrichs, Stephen C.
Venue
Brain Research
Publisher
Elsevier BV
Published
2009-01
Volume
1250
Pages
113-119
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2014020919
Cited by
8
References
35
Citations by year
2020: 1 · 2013: 1 · 2012: 1
FWCI
1.59
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
omega-3 deficiency, dietary self-selection, flaxseed, brain lipid composition, essential fatty acid deficiency, food preferences, dietary supplementation, rats
MeSH terms
Analysis of Variance, Animals, Body Weight, Brain, Brain Chemistry, Diet, Fatty Acids, Food Preferences, Male, Neurons, Seeds, Fatty Acids, Omega-3, Prosencephalon, Rats, Wistar, Flax, Rats

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