Saturated fatty acids occur in coconut, palm, and palm kernel oils. Animal fats such as pork and beef, butter, cheese, and other dairy products contain high levels of saturated fatty acids.
Trans fatty acids appear naturally at low levels in certain foods such as dairy products, beef, and lamb. They also form in small amounts form during the refining of liquid vegetable oils such as canola and soybean oil. Most importantly, they arise from the manufacturing process called “partial hydrogenation,” which turns liquid oil into a semi-solid shape, such as shortening or margarine.
Why do manufacturers use this stuff? High levels of saturated or trans fatty acids give foods a longer shelf life. They also help create the flavors and textures—especially that melt-in-your-mouth feeling—that make so many bakery goodies the temptations they are.
Saturated and trans fatty acids are contaminating because they raise your risk of heart disease.
Transfats cause long-term harm to the heart and circulatory system in two ways:
1) They elevate blood levels of LDL cholesterol. LDL is a risk factor for heart disease.
2) They lower blood levels of HDL cholesterol. HDL protects against heart disease.
Other compounds that create a contaminating magnetism in food:
Acrylamide
Studies show that acrylamide can cause cancer in animals. They also show that it is toxic to the nervous system. Scientists have discovered high levels of this cancer-causing chemical in a wide range of starchy
However, saturated and trans fatty acids are contaminating because they raise your risk of heart disease.
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