Vegetable oils rich in alpha linolenic acid allow a higher accretion of n-3 LCPUFA in the plasma, liver and adipose tissue of the rat

Authors

  • R. Valenzuela Nutrition and Dietetics School, Faculty of Medicine, University of Chile
  • C. Barrera Nutrition and Dietetics School, Faculty of Medicine, University of Chile
  • J. M. Ayala Nutrition and Dietetics School, Faculty of Medicine, University of Chile
  • J. Sanhueza Lipid Center, Nutrition and Food Technology Institute, University of Chile
  • A. Valenzuela Lipid Center, Nutrition and Food Technology Institute, University of Chile - Faculty of Medicine, Universidad de Los Andes

DOI:

https://doi.org/10.3989/gya.110113

Keywords:

Alpha linolenic acid, Chia oil, Docosahexaenoic acid, Eicosapentaenoic acid, n-3 LCPUFA, Sacha inchi oil

Abstract


ALA is the precursor of EPA and DHA and its dietary availability is limited. Vegetable oils rich in ALA (48–64%) are alternatives for increasing its consumption. The conversion of ALA into EPA and DHA and the ratio (EPA+DHA/ALA) was evaluated in different tissues from male Wistar rats fed ALA –rich oils. Four groups (n=12/group) were fed for 21 days with oils from: a) corn (CO, 3% ALA); b) soybean (SO, 6% ALA); c) sacha inchi (SIO, 48% ALA) and; d) chia (ChO, 64% ALA). SO, SIO and ChO significantly increased ALA levels (p<0.05) in the tissues. Only SIO and ChO increased tissue EPA and DHA while reducing n-6/n-3 ratio (p<0.05). SIO and ChO are suggested as good sources of ALA to increase tissue EPA and DHA.

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References

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Published

2014-06-30

How to Cite

1.
Valenzuela R, Barrera C, Ayala JM, Sanhueza J, Valenzuela A. Vegetable oils rich in alpha linolenic acid allow a higher accretion of n-3 LCPUFA in the plasma, liver and adipose tissue of the rat. Grasas aceites [Internet]. 2014Jun.30 [cited 2024Mar.19];65(2):e026. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1491

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Section

Research

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