Blasbalg et al. [
[1]
] have brought to our attention the large increase in LA intakes in the US, which is
also reflected in Australian dietary patterns [
[2]
]. They have pointed out that despite the fact that these high intakes of LA have occurred
against a background of relatively constant n-3 LCPUFA intakes, nevertheless the n-3
LCPUFA status of people has declined. They have also presented data to suggest that
the main driver for the decrease in n-3 LCPUFA status in US citizens is likely to
be high dietary LA rather than any decline in n-3 LCPUFA intake. This proposal seems
logical given the many reports of inhibition of incorporation of n-3 LCPUFA by LA
[
3
,
- McMurchie E.J.
- Rinaldi J.A.
- Burnard S.L.
- Patten G.S.
- Neumann M.A.
- Mcintosh G.H.
- Abbey M.A.
- Gibson R.A.
Incorporation and effects of dietary eicosapentaenoate (20:5n-3) on plasma and erythrocyte
lipids of the marmoset following dietary supplementation with differing levels of
linoleic acid.
Biochimica et Biophysica Acta. 1990; 1045 (IF=4.224 (16)): 164-173
4
].To read this article in full you will need to make a payment
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References
L. Blasbalg, J.R. Hibbeln, C.E. Ramsden, et al., Changes in consumption of omega-3 and omega-6 fatty acids in the United States during the 20th century. American Journal of Clinical Nutrition. doi:10.3945/ajcn.110.006643.
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- Conversion of linoleic acid and alpha-linolenic acid to long-chain polyunsaturated fatty acids (LCPUFAs), with a focus on pregnancy, lactation and the first 2 years of life.Maternal and Child Nutrition. 2011; 7: 17-26
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Published online: October 24, 2011
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© 2011 Elsevier Ltd. Published by Elsevier Inc. All rights reserved.
