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Fish oils and human diet

Published online by Cambridge University Press:  09 March 2007

J.R. Sargent
J.R. Sargent
Affiliation:
NERC unit of Aquatic Biochemistry, Department of Biological and Molecular Sciences, University of Stirling, stirling FK9 4LA
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Abstract

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Trends in global fish catches are described together with fish landlings and fish consumption in the UK. The importance of n–6 and n–3 polyunsaturated fatty acids as essential constituents of human diets is considered and the role of oily fish as a dietary source of the long-chain n–3 polyunsaturates, docosahexaenoic acid and eicosapentaenoic acid, is emphasized. The origin ofn–3 polyunsaturates in the marine phytoplankton and their transmission via zooplankton to fish is described as a means of understanding the consumption of different fish body oils. The ease with which the fatty acid composition of fish body oils can be manipulated by altering the fatty acid composition of their feeds is emphasized and the dietary requirements of marine and freshwater fish for n–3 and n–6 polyunsaturates considered. Farming fish on diets containing principally fish meal and fish oil, as used in salmon production in Scotland, generates a high quality product with levels of long-chain n–3 polyunsaturates equalling or exceeding those of wild fish. Farming fish on high quality marine oils rich in docosahexaenoic and eicosapentaenoic acids is an efficient means of delivering these essential nutrients in human diets and also efficiently exploiting a strictly limited marine bioresource.

Keywords

Polyunsaturated fatty acidsEicosapentaenoic acidDocosahexaenoic acidFish nutrition
Type
Fish Oils and Human Diet
Information
British Journal of Nutrition , Volume 78 , Issue 1 , July 1997 , pp. S5 - S13
Copyright
Copyright © The Nutrition Society 1997

References

REFERENCES

Barlow, S.M. & Pike, I.H. (1994) Upgrading the uses of lower species to provide a source of omega-3 fatty acids in the human diet. Omega-3 9, 5–8.Google Scholar
Bell, J.G., Tocher, D.R., MacDonald, F. & Sargent, J.R. (1995 a) Diets rich in eicosapentaenoic acid and α linolenic acid affect phospholipid fatty acid composition and production of E1, E2 and E3 in turbot (Scophthalamus maximus), a species deficient in δ-5 fatty acid desaturase. Prostaglandins, Leukotrienes and Essential Fatty Acids 53, 279–286.CrossRefGoogle Scholar
Bell, J.G., Toucher, D.R., MacDonald, F. & Sargent, J.R. (1995 b) Effect of borage oil [ enriched in γ linolenic acid, 18:3(n–6)] or marine oil [enriched in eicosapentaenoic acid, 20:5(n–3)] on growth, mortalities, liver histopathology and lipid composition of juvenile turbot (Scophthalamus maximus L.). Fish Physiology and Biochemistry 14, 373–383.CrossRefGoogle Scholar
Bell, M.V., Batty, R.S., Dick, J.R., Fretwell, K., Navarro, J.C. & Sargent, J.R. (1995 c) Dietary deficiency of dodosahexaenoic acid impairs vision at low light intensities in juvenile herring (Clupea harengus.L.). Lipids 30, 443–449.CrossRefGoogle ScholarPubMed
British Nutrition Foundation (1992) Unsaturated Fatty Acids. Nutritional and Physiological Significance. Report of the British Nutrition Foundation's Task Force. London: Chapman and Hall.Google Scholar
British Nutrition Foundation (1993) Nutritional Aspects of Fish. Breifing paper. no.10.London: British Nutrition Foundation.Google Scholar
Department of Health(1994) Nutritional Aspects of cardiovascular Disease. Report on Health and Social Subjects no.46.London: H.M. Stationery OfficeGoogle Scholar
James, D.G. (1994) Fish as food: present utilisation and future prospects. Omega-3 9, 1–4.Google Scholar
Pauly, D., Christensen, V. (1995) Primary production required to sustain global fisheries. Nature 374, 255–257.CrossRefGoogle Scholar
Sargent, J.R. (1995). (n–3)Polyunsaturated fatty acids and farmed fish. In Fish Oil Technology, Nutrition and Marketing, pp. 67–94 [Hamilton, R.J. and Rice, R.D., editors]. High Wycombe:P.J. Barnes and AssociatesGoogle Scholar
Sargent, J.R., Bell, M.V., Henderson, R.J. &Tocher, D.R. (1995 a) Requirement criteria for essential fatty acids. Symposium of European Inlan Fisheries Advisory Committee. Journal of Applied Ichthyology 11, 183–198.CrossRefGoogle Scholar
Sargent, J.R., Bell, M.V., Bell, M.V., Bell, J.G. & Tocher, D.R. (1995 b). Origins and functions of (n–3) polyunsaturated fatty acids in marine organisms. In Phospholipids: Characterisation, Metabolism and Novel Biological Applications, pp. 248–259 ]Ceve, G. and Paltauf, F.[.Champaign, IL: American Oil Chemists' Society Press.Google Scholar
Sargent, J.R., Bell, M.V. & Henderson, R.J. (1996) Protists as sources of (n–3) polyunsaturated fatty acids for vertebrate development. In Protistological Actualities. Proceedings of the 2nd European Conference on Protistology and the 8th European Conference on Ciliate Biology, pp. 54–64 [Brugerolle, G. and Mignot, J.P., editors]. Available from J. Senaud, Biologie des Protists, 631777 Aubiere Cedex, France.Google Scholar
Sargent, J.R. & Henderson, R.J. (1995) Marine (n–3) polyunsaturated fatty acids. In Developments in Oils and Fats, pp. 32–65 [Hamilton, R.J., editor].London: Blackie Academic and Professional.CrossRefGoogle Scholar
Simopolous, A.P. (1991) Omega-3 fatty acids in health and disease and in growth and development. American Journal of Clinical Nutrition 54, 438–463.CrossRefGoogle Scholar
Van Beusekom, J. & Diel-Christiansen, S. (1993). A synthesis of Phyto- and Zooplankton Dynamics in the North Sea Environment. Godalming: World Wildlife Fund.Google Scholar
Various (1996) Internatinal Conference on Highly Unsaturated Fatty Acids in Nutrition and Disease PreventionBethesda, Maryland. Lipids, 31, Suppl.,S1–S326.Google Scholar
Various (1997). International Conference on Highly Unsaturated Fatty Acids in Nutrition and Disease PreventionBarcelona, Spain.Lipids (In the Press).Google Scholar