Why Is Corn Oil Unhealthy?
Oils provide energy and essential fatty acids, and are an important part of a well-balanced diet. However, some oils are better for you than others, and unfortunately for corn oil lovers, it is not one of the healthiest choices.
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Calories
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Corn oil is very high in calories; 1 tbsp. contains approximately 120 calories. The American Dietetic Association recommends that your total daily intake of oils and fats should only be 25 to 30 percent of your total diet.
Nutrition
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Corn oil contains no protein, fiber or vitamins. In addition, refining processes used to make the oil shelf-stable use heat, damaging the oil's quality and nutrients.
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Fat Type
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According to the American Heart Association, polyunsaturated fats may help lower blood cholesterol levels when used in place of saturated fats. Although corn oil is a polyunsaturated fat, it also contains saturated fat at in higher amounts than most other oils.
Hydrogenation
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Hydrogenation is a chemical process that hardens liquid oil into a solid form such margarine or shortening. This creates trans fat, a contributor to heart disease, diabetes and other chronic illnesses. Many corn oils are partially hydrogenated to prolong shelf life.
Omega-6
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Corn oil is rich in omega-6, a polyunsaturated fat, which needs to be balanced with omega-3 fats for good health. According to the National Center for Biotechnology, too much omega-6 can lead to heart disease, cancer, and autoimmune diseases.
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