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The effect of dietary α-linolenic acid in the rat on fatty acid profiles of immunocompetent cell populations

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Lipids

Abstract

Analysis of diet-induced fatty acid changes in the major phospholipids of various immune cell populations has not been previously documented, particularly modifications induced by dietary α-linolenic acid. Rats were fed purified diets containing either 10% corn oil (CO), 10% linseed oil (LO) or 10% soybean oil-linseed mixture (SL) for 8 weeks. The α-linolenic to linoleic acid ratios of the diets were 1∶32, 1∶1 and 3∶1, respectively. Fatty acid analysis of cell populations isolated from the spleen, thymus, thoracic cavity and peripheral blood phospholipids showed increases in ω3 fatty acids accompanied by decreases in the ω6 fatty acids when diets high in α-linolenic to linoleic acid ratios were fed. The extent of change observed was dependent on the magnitude of the α-linolenic to linoleic acid ratio. Both magnitude of change and the specific fatty acids altered varied with the cell population examined.

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Authors and Affiliations

  1. Department of Food Science and Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 1208 W. Pennsylvania Avenue, 61801, Urbana, IL

    Lisa A. Marshall & Patricia V. Johnston

Authors
  1. Lisa A. Marshall
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  2. Patricia V. Johnston
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Marshall, L.A., Johnston, P.V. The effect of dietary α-linolenic acid in the rat on fatty acid profiles of immunocompetent cell populations. Lipids 18, 737–742 (1983). https://doi.org/10.1007/BF02534542

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  • DOI: https://doi.org/10.1007/BF02534542

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