Pastry and fried food lovers beware! According to a report from the Institute of Medicine there is no level of trans fatty acids that is safe to consume.
The report is likely to lead the US Food and Drug Administration (FDA) to go ahead with stalled plans to order manufacturers to disclose the trans fatty acid content of foods on packaging.
An expert panel at the Institute of Medicine issued a detailed review of research into trans fatty acids, the class of fat found in abundance in stick margarine, hydrogenated vegetable shortening and foods that contain them.
Though the panel had the option to declare a safe upper limit of daily trans fatty acid consumption, it declined to do so. "It is recommended that trans fatty acid consumption be as low as possible while consuming a nutritionally adequate diet," the report concludes.
Trans fatty acids are known to increase blood levels of low density lipoprotein (LDL), so-called "bad" cholesterol, while lowering levels of high density lipoprotein (HDL), known as "good" cholesterol. A high LDL and low HDL is a strong risk factor for heart disease.
Trans fatty acids are common in foods containing shortening, including pastries and fried foods, and are found in lower levels in dairy products and meats. FDA proposed ordering the labeling of trans fatty acid levels on food packages in 1999 but held off finalizing the regulation until the Institute of Medicine issued its report. The agency is likely to go ahead with a rule ordering the labelling.
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