Biochemical effects of a diet containing foods enriched with n-3 fatty acids

Evangeline Mantzioris, Leslie G. Cleland, Robert A. Gibson, Mark A. Neumann, Maryanne Demasi, Michael J. James

Research output: Contribution to journalArticle

195 Citations (Scopus)

Abstract

Background: Results of many studies indicate that consumption of n-3 fatty acids can benefit persons with cardiovascular disease and rheumatoid arthritis. However, encapsulated fish oil is unlikely to be suited to lifetime daily use and recommendations to increase fish intake have not been effective. Objective: The objective was to examine the effectiveness of a diet that incorporates foods rich in n-3 fatty acids in elevating tissue concentrations of eicosapentaenoic acid and in suppressing the production of inflammatory mediators. Design: Healthy male volunteers were provided with foods that were enriched in α-linolenic acid (cooking oil, margarine, salad dressing, and mayonnaise) and eicosapentaenoic and docosahexaenoic acids (sausages and savory dip) and with foods naturally rich in n-3 fatty acids, such as flaxseed meal and fish. Subjects incorporated these products into their food at home for 4 wk. Fatty acid intakes, cellular and plasma fatty acid concentrations, and monocyte-derived eicosanoid and cytokine production were measured. Results: Analyses of dietary records indicated that intake of eicosapentaenoic acid plus docosahexaenoic acid averaged 1.8 g/d and intake of α-linolenic acid averaged 9.0 g/d. These intakes led to an average 3-fold increase in eicosapentaenoic acid in plasma, platelet, and mononuclear cell phospholipids. Thromboxane B2, prostaglandin E2, and interleukin 1β synthesis decreased by 36%, 26%, and 20% (P < 0.05), respectively. Conclusions: Foods that are strategically or naturally enriched in n-3 fatty acids can be used to achieve desired biochemical effects without the ingestion of supplements or a change in dietary habits. A wide range of n-3- enriched foods could be developed to support large-scale programs on the basis of the therapeutic and disease-preventive effects of n-3 fatty acids.

LanguageEnglish
Pages42-48
Number of pages7
JournalAmerican Journal of Clinical Nutrition
Volume72
Issue number1
Publication statusPublished - 1 Jul 2000
Externally publishedYes

Keywords

  • Cytokines
  • Docosahexaenoic acid
  • Eicosanoids
  • Eicosapentaenoic acid
  • Men
  • N-3 fatty acid-rich foods
  • N-3 fatty acids
  • α-Linolenic acid

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Mantzioris, E., Cleland, L. G., Gibson, R. A., Neumann, M. A., Demasi, M., & James, M. J. (2000). Biochemical effects of a diet containing foods enriched with n-3 fatty acids. American Journal of Clinical Nutrition, 72(1), 42-48.
Mantzioris, Evangeline ; Cleland, Leslie G. ; Gibson, Robert A. ; Neumann, Mark A. ; Demasi, Maryanne ; James, Michael J. / Biochemical effects of a diet containing foods enriched with n-3 fatty acids. In: American Journal of Clinical Nutrition. 2000 ; Vol. 72, No. 1. pp. 42-48.
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abstract = "Background: Results of many studies indicate that consumption of n-3 fatty acids can benefit persons with cardiovascular disease and rheumatoid arthritis. However, encapsulated fish oil is unlikely to be suited to lifetime daily use and recommendations to increase fish intake have not been effective. Objective: The objective was to examine the effectiveness of a diet that incorporates foods rich in n-3 fatty acids in elevating tissue concentrations of eicosapentaenoic acid and in suppressing the production of inflammatory mediators. Design: Healthy male volunteers were provided with foods that were enriched in α-linolenic acid (cooking oil, margarine, salad dressing, and mayonnaise) and eicosapentaenoic and docosahexaenoic acids (sausages and savory dip) and with foods naturally rich in n-3 fatty acids, such as flaxseed meal and fish. Subjects incorporated these products into their food at home for 4 wk. Fatty acid intakes, cellular and plasma fatty acid concentrations, and monocyte-derived eicosanoid and cytokine production were measured. Results: Analyses of dietary records indicated that intake of eicosapentaenoic acid plus docosahexaenoic acid averaged 1.8 g/d and intake of α-linolenic acid averaged 9.0 g/d. These intakes led to an average 3-fold increase in eicosapentaenoic acid in plasma, platelet, and mononuclear cell phospholipids. Thromboxane B2, prostaglandin E2, and interleukin 1β synthesis decreased by 36{\%}, 26{\%}, and 20{\%} (P < 0.05), respectively. Conclusions: Foods that are strategically or naturally enriched in n-3 fatty acids can be used to achieve desired biochemical effects without the ingestion of supplements or a change in dietary habits. A wide range of n-3- enriched foods could be developed to support large-scale programs on the basis of the therapeutic and disease-preventive effects of n-3 fatty acids.",
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Mantzioris, E, Cleland, LG, Gibson, RA, Neumann, MA, Demasi, M & James, MJ 2000, 'Biochemical effects of a diet containing foods enriched with n-3 fatty acids', American Journal of Clinical Nutrition, vol. 72, no. 1, pp. 42-48.

Biochemical effects of a diet containing foods enriched with n-3 fatty acids. / Mantzioris, Evangeline; Cleland, Leslie G.; Gibson, Robert A.; Neumann, Mark A.; Demasi, Maryanne; James, Michael J.

In: American Journal of Clinical Nutrition, Vol. 72, No. 1, 01.07.2000, p. 42-48.

Research output: Contribution to journalArticle

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Mantzioris E, Cleland LG, Gibson RA, Neumann MA, Demasi M, James MJ. Biochemical effects of a diet containing foods enriched with n-3 fatty acids. American Journal of Clinical Nutrition. 2000 Jul 1;72(1):42-48.