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Canola oil came to the rescue when the promotion of acid in olive and canola oil) creates imbalances on the cellular polyunsaturated corn and soybean oils had become more and more _level that can inhibit prostaglandin productio In one study, untenable. Scientists could endorse canola oil in good conscience —_ higher monounsaturated fat consumption was ciated with an because it was a "heart-healthy" oil, low in saturated fat, high in increased risk of breast cancer.* monounsaturates and a good source of omega-3 fatty acids. Even the dogma that monounsaturated fatty acids are good for But most of the omega-3s in canola oil are transformed into the heart is at risk. According to a 1998 report, mice fed a diet trans fats during the deodorisation process; and research contin- containing monounsaturated fats were more likely to develop ath- ues to prove that the saturates are necessary and highly protective. erosclerosis than mice fed a diet containing saturated fat.” In fact, At least it can be said that canola oil is a good source of the mice fed monounsaturated fats were even more prone to heart monounsaturated fat—like olive oil—and therefore not harmful... disease than those fed polyunsaturated fatty acids. Or is it? This means that the type of diet recommended in books like The Obviously, monounsaturated fatty acids are not harmful in Omega Diet—low in protective saturates, bolstered with high lev- moderate amounts in the context of a traditional diet, but what els of omega-3 fatty acids and relying on monounsaturated fatty about in the context of the modern diet, where the health-con- acids, whether from olive or canola oil, for the majority of fat scious community is relying on monounsaturated fats almost calories—may actually contribute to heart disease. Such diets exclusively? There are indications that monounsaturated fats in have been presented with great marketing finesse, but we need to excess and as the major type of fat can be a problem. recognise them for what they are: payola for the food companies Overabundance of oleic acid (the type of monounsaturated fatty and "con-ola" for the public. oo Endnotes 16. Tunis, S.M. and R.A. Dyer, "Dietary canola About the Authors: 1. Enig, M.G. and S.W. Fallon, "The Oiling of oil alters hematological indices and blood lipids . America", http://www.westonaprice.org/ in neonatal piglets fed formula", Journal of ° Sally Fallon ; is the author of oiling.htm. [See also NEXUS Magazine, vol. 6, Nutrition, July 1999;129(7):1261-8. Nourishing Traditions: The Cookbook nos. | and 2.] 17. Ratnayake, W.M.N. and others, "Influence that Challenges Politically Correct 2. Downey, R.K., "Genetic Control of Fatty of Sources of Dietary Oils on the Life Span of Nutrition and the Diet Dictocrats (New Acid Biosynthesis in Rapeseed", Journal of the Stroke-Prone Spontaneously Hypertensive Rats", Act afi American Oil Chemists' Society, 1964;41:475- Lipids, 2000;35(4):409-420. Mies ee eke “ 2 in ee 478. 18. Wallsundera, MLN. and others, "Vegetable , end ed., Y ) an resi lent o 3. Journal of the American Oil Chemists’ Oils High in Phytosterols Make Erythrocytes the Weston A. Price Foundation based Society, December 1986;63(12):1510. Less Deformable and Shorten the Life Span of in Washington, DC, USA (website 4. "Canola — a new oilseed from Canada", Stroke-Prone Spontaneously Hypertensive Rats", ht tp://www.WestonAPrice.org). She Journal of the American Oil Chemists’ Society, Journal of the American Society for Nutritional i September 1981:723A-9A. Sciences, May 2000;130(5):1166-78. cabo cTemalled ays lon@aok con 5. The amount of the advance was $350,000. 19. Federal Register, 1985. - Dr Mary G. Enig holds an MS and Personal email communication, Jo Robinson, co- 20. Levander, O.A. and M.A. Beck, "Selenium PhD in Nutritional Sciences from the author of The Omega Diet. and viral virulence", British Medical Bulletin, . 7 : 6. Simopoulos, A.P. and N. Salem, Jr, "Egg yolk —1999:55(3):528-33. ae eagle nae Marta ise ioe as a source of long-chain polyunsaturated fatty 21. Gerster, H., "Can adults adequately convert . . ig acids in infant feeding", American Journal of alpha-linolenic acid (18:3n-3) to eicosapen- chemist of international renown and an Clinical Nutrition, 1992;55. taenoic acid (20:5n-3) and docosahexaenoic acid expert in fats/oils analysis and metabo- 7. Simopoulos, A.P. and J. Robinson, The (22:6n-3)?", International Journal of Vitamin lism, food chemistry and composition Omega Plan, HarperCollins Publishers, New and Nutrition Research, 1998;68(3):159-73. and nutrition and dietetics. Dr Enig is York, NY, 1998. 22. Wall Street Journal, June 7, 1995, p. B6. President of the Maryland Nutritionists 8. "Canola —a new oilseed from Canada", op. 23. Enig, M.G., "Benefits of Saturated Fats", an . y _ cit. Wise Traditions, Summer 2000;1(2):49. Association, Vice President of the 9. Purdey, M., "Educating Rita", Wise 24. O'Keefe, S. and others, "Levels of Trans Weston A. Price Foundation, and Traditions, Spring 2002;3(1):11-18. Geometrical Isomers of Essential Fatty Acidsin Director of the Nutritional Sciences 10. When we contacted Dr Wolke to provide Some Unhydrogenated US Vegetable Oils", Division at Enig Associates, Inc. him with evidence of canola dangers, he was Journal of Food Lipids, 1994;1:165-176. Fa dismissive. a5\ Sebeiog Mand] WW! Christicleds) Trans oem se on soe authom ofl know sYour 11. Vies, R.O. and others, "Nutritional Fatty Acids in Human Nutrition, The Oily Press, /4t8: The Complete Primer for Evaluation of Low-Erucic-Acid Rapeseed Oils", Dundee, Scotland, 1998, pp. 49-50. Understanding the Nutrition of Fats, Toxicological Aspects of Food Safety, Archives 26. Enig, M.G., Trans Fatty Acids in the Food Oils and Cholesterol (Bethesda Press, of Toxicology, Supplement 1, 1978:23-32. Supply: A Comprehensive Report Covering 60 2000, http://www.BethesdaPress.com). 12. Trenholm, H.L. and others, "An Evaluation Years of Research, 2nd Edition, Enig Associates, H w ili iagt of the Relationship of Dietary Fatty Acids to Inc., Silver Spring, MD, 1995. re eee ee bee ates ta Incidence of Myocardial Lesions in Male Rats", 27. Horrobin, David F., Prostaglandins: 1g y Wee: A " Canadian Institute of Food Science Technology Physiology, Pharmacology and Clinical International Soy Symposium", co- Journal, October 1979;12(4):189-193. Significance, The Book Press, Brattleboro, written with Sally Fallon, were 13. Kramer, J.K.G. and others, "Reduction of Vermont, 1978, pp. 20, 35. published in NEXUS 6/01-6/02 and Myocardial Necrosis in Male Albino Rats by 28. Pala, V. and others, "Erythrocyte membrane 7/03, respectively. Her article on "The Manipulation of Dietary Fatty Acid Levels", fatty acids and subsequent breast cancer: a . " Lipids, 1982:17(5):372-382. prospective Italian study", Journal of the Health Benefits of Coconuts” was 14. Sauer, F.D. and others, "Additional vitamin National Cancer Institute, July 18, published in NEXUS 9/02-9/03. E required in milk replacer diets that contain 2001;93(14):1088-95. Dr Enig can be contacted at: Enig canola oil", Nutrition Research, 1997;17(2):259- 29. ae er and others, iDietay monounsat- Associates, Inc., 12501 Prosperity 269. urated fatty acids promote aortic atherosclerosis f j A f 15. Kramer, J.K. and others, "Hematological in LDL-receptor-null, human ApoB 100-overex- Paaieens TE eh we EU aso and lipid changes in newborn piglets fed milk- pressing transgenic mice", Arteriosclerosis, ; \ . replacer diets containing erucic acid", Lipids, Thrombosis and Vascular Biology, November 8600, fax +1 (301) 680 8100, email January 1998;33(1):1-10. 1998;18(11):1818-27. marye@enig.com. 36 * NEXUS www.nexusmagazi ne.com AUGUST - SEPTEMBER 2002