Dietary Recommendations Linoleic Acid

Although linoleic acid is an essential nutrient no specific information is available on the amount of linoleic acid required to correct the symptoms of ω6 pufa deficiency.

Dietary recommendations linoleic acid. 18 2n 6 an n 6 pufa constituting 85 90 of dietary pufa intake in the united states is of critical public health importance but still contentious. After birth it is supplied to the infant by breast milk in which this essential pufa represents about 10 15 of total fatty acids 35. The health impact of linoleic acid la. Scientific evidence behind the dietary recommendations on pufa intake has been largely based on studies of cvd endpoints.

223 227 pergamon press printed in the u s a. An omega 3 fatty acid intake of 2 g day alpha linolenic acid ala and 250 mg day long chain omega 3 fatty acids eicosapentaenoic acid epa and docosahexaenoic acid dha an omega 6 fatty acid intake of 10 g day linoleic acid la. Therefore a recommended daily allowance rda has yet to be established. Linoleic acid is the predominant n 6 polyunsaturated fatty acid pufa in the western diet and we can obtain it from vegetable oils such as sunflower safflower soybean corn and.

French 2 1department of pathology new england deaconess hospital harvard medical school boston ma 02215 usa 2department of pathology university of ottawa school of medicine ottawa canada. Linoleic acid is called an omega 6 fatty acid because its double bonds appear after the sixth carbon in the chain. Introduction linoleic acid is a polyunsaturated fatty acid that is one of the only essential fatty acids that. In 2009 the european food safety authority efsa published its recommendations for pufa.

The top sources of dietary linoleic acid in america include chicken and chicken dishes grain based desserts salad dressing potato and corn chips pizza bread french fries and pasta dishes according to the national cancer institute. Nanji1 and samuel w. Consistent with the american heart association guidelines our data continue to support consumption of 5 10 energy intake from linoleic acid to decrease chd risk. Dietary linoleic acid is required for development of experimentally induced alcoholic liver injury amin a.

The change in linoleic acid intake at the beginning of the 1900s fats from animal sources dominated the diet in the u s. The biggest sources of linoleic acid in the american diet tend to be processed foods. Dietary linoleic acid and risk of coronary heart disease. The major omega 6 fatty acid in the diet is linoleic acid.

As such the dietary reference intakes for linoleic acid reports that the adequate.