Question of the week: What are transfats?
Answer: Trans fats (TFAs) are found in blood and comes from synthetic sources in foods, such as partially hydrogenated vegetable oils, and natural sources in foods, such as milk.
Oils are made solid by food manufacturers using the process of hydrogenation to make products containing unsaturated fatty acids solid at room temperature and therefore more resistant to becoming spoiled or rancid.
I was reading a report by the CDC couple of days ago that trans fats levels in the blood of white adults in the U.S. population has decreased by 58 percent between 2000 – 2009. The CDC were pleased to announce that finding as it was the first time their researchers were able to measure trans fats in human blood.
The Dietary Guidelines for Americans (USDA/HHS) 2010 recommend keeping TFA consumption as low as possible, especially by limiting foods that contain synthetic sources of trans fats, such as partially hydrogenated oils, and by limiting other solid fats.
It is advisable to replace margarine containing trans fat with unsaturated vegetable oil thus if you use margarine, choose a soft margarine spread instead of stick margarine.
In western countries, foods are labelled with nutrition information thus its advisable to check your labels to be sure the soft margarine that you use does contain little or no trans fat.
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