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Fish, Seafood Better Than Olive Oil, Nuts Against Heart Disease

Date:
May 7, 2007
Source:
American Society for Biochemistry and Molecular Biology
Summary:
Researchers have found that a diet rich in fish, seafood, and grains -- also called polyunsaturated fats -- is better at preventing heart disease than a diet containing olive oil, nuts, and avocados -- called monounsaturated fats.

Researchers have found that a diet rich in fish, seafood, and grains -- also called polyunsaturated fats -- is better at preventing heart disease than a diet containing olive oil, nuts, and avocados -- called monounsaturated fats. Although both types of fats are healthy, people should probably include more of the first than the second in their diet to keep a healthy heart, the scientists say.

Too much cholesterol has long been linked to increasing risks of developing heart disease, but it has been less clear how the various dietary fats -- saturated, monounsaturated and polyunsaturated -- make people susceptible to the disease.

Lawrence L. Rudel and colleagues developed a method to determine the effects of the three types of dietary fats on acyl-coenzyme A, a key molecule involved in the metabolism of fatty acids. The scientists found that mice fed diets high in saturated and monounsaturated fat showed an increase in acyl-coenzyme A compared to mice fed a diet enriched in polyunsaturated fat. These results suggest that polyunsaturated fat is a more suitable replacement than monounsaturated fat for dietary saturated fat, the scientists concluded.

Article: "Monounsaturated fatty acyl-CoA is predictive of atherosclerosis in human ApoB100 transgenic, LDLr-/- mice" by Thomas A. Bell III, Martha D. Wilson, Kathryn Kelley, Janet K. Sawyer, and Lawrence L. Rudel


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The above story is based on materials provided by American Society for Biochemistry and Molecular Biology. Note: Materials may be edited for content and length.


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American Society for Biochemistry and Molecular Biology. "Fish, Seafood Better Than Olive Oil, Nuts Against Heart Disease." ScienceDaily. ScienceDaily, 7 May 2007. <www.sciencedaily.com/releases/2007/05/070504142925.htm>.
American Society for Biochemistry and Molecular Biology. (2007, May 7). Fish, Seafood Better Than Olive Oil, Nuts Against Heart Disease. ScienceDaily. Retrieved September 18, 2014 from www.sciencedaily.com/releases/2007/05/070504142925.htm
American Society for Biochemistry and Molecular Biology. "Fish, Seafood Better Than Olive Oil, Nuts Against Heart Disease." ScienceDaily. www.sciencedaily.com/releases/2007/05/070504142925.htm (accessed September 18, 2014).

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