Revealing Trans Fats (page 2)
Scientific evidence shows that consumption of saturated fat, trans fat, and dietary cholesterol raises low-density lipoprotein (LDL), or "bad cholesterol," levels, which increases the risk of coronary heart disease (CHD). According to the National Heart, Lung, and Blood Institute of the National Institutes of Health, more than 12.5 million Americans have CHD, and more than 500,000 die each year. That makes CHD one of the leading causes of death in the United States.
The Food and Drug Administration has required that saturated fat and dietary cholesterol be listed on food labels since 1993. Starting Jan.1, 2006, listing of trans fat will be required as well. With trans fat added to the Nutrition Facts panel, required by Jan. 1, 2006, you will know for the first time how much of all three--saturated fat, trans fat, and cholesterol--are in the foods you choose. Identifying saturated fat, trans fat, and cholesterol on the food label gives you information you need to make food choices that help reduce the risk of CHD. This revised label will be of particular interest to people concerned about high blood cholesterol and heart disease.
However, everyone should be aware of the risk posed by consuming too much saturated fat, trans fat, and cholesterol. But what is trans fat, and how can you limit the amount of this fat in your diet?
What is Trans Fat?
Basically, trans fat is made when manufacturers add hydrogen to vegetable oil--a process called hydrogenation. Hydrogenation increases the shelf life and flavor stability of foods containing these fats.
Trans fat can be found in vegetable shortenings, some margarines, crackers, cookies, snack foods, and other foods made with or fried in partially hydrogenated oils. Unlike other fats, the majority of trans fat is formed when food manufacturers turn liquid oils into solid fats like shortening and hard margarine. A small amount of trans fat is found naturally, primarily in some animal-based foods.
Trans fat, like saturated fat and dietary cholesterol, raises the LDL cholesterol that increases your risk for CHD. Americans consume on average 4 to 5 times as much saturated fat as trans fat in their diets.
Although saturated fat is the main dietary culprit that raises LDL, trans fat and dietary cholesterol also contribute significantly.
Are All Fats the Same?
Simply put: No. Fat is a major source of energy for the body and aids in the absorption of vitamins A, D, E, and K and carotenoids. Both animal- and plant-derived food products contain fat, and when eaten in moderation, fat is important for proper growth, development, and maintenance of good health. As a food ingredient, fat provides taste, consistency, and stability and helps you feel full. In addition, parents should be aware that fats are an especially important source of calories and nutrients for infants and toddlers (up to 2 years of age), who have the highest energy needs per unit of body weight of any age group.
While unsaturated fats (monounsaturated and polyunsaturated) are beneficial when consumed in moderation, saturated and trans fats are not. Saturated fat and trans fat raise LDL cholesterol levels in the blood. Dietary cholesterol also contributes to heart disease. Therefore, it is advisable to choose foods low in saturated fat, trans fat, and cholesterol as part of a healthful diet.
What Can You Do About Saturated Fat, Trans Fat, and Cholesterol?
When comparing foods, look at the Nutrition Facts panel, and choose the food with the lower amounts of saturated fat, trans fat, and cholesterol. Health experts recommend that you keep your intake of saturated fat, trans fat, and cholesterol as low as possible while consuming a nutritionally adequate diet. However, these experts recognize that eliminating these three components entirely from your diet is not practical because they are unavoidable in ordinary diets.
Where Can You Find Trans Fat on the Food Label?
Beginning in January 2006 food manufacturers must list trans fat on all their products.
You will find trans fat listed on the Nutrition Facts panel directly under the line for saturated fat.
How Do Your Choices Stack Up?
With the addition of trans fat to the Nutrition Facts panel, you can review your food choices and see how they stack up. (See the table illustrating total fat, saturated fat, trans fat, and cholesterol content per serving for selected food products.)
Don't assume similar products are the same. Be sure to check the Nutrition Facts panel because even similar foods can vary in calories, ingredients, nutrients, and the size and number of servings in a package. Even if you continue to buy the same brand of a product, check the Nutrition Facts panel frequently because ingredients can change at any time.
|Product||Common Serving Size||Total Fat g||Sat. Fat g||%DV for Sat. Fat||Trans Fat g||Combined Sat. & Trans Fat g||Chol. mg||%DV for Chol.|
|French Fried Potatoes±
|Margarine, stick†||1 tbsp||11||2||10%||3||5||0||0%|
|Margarine, tub†||1 tbsp||7||1||5%||0.5||1.5||0||0%|
|Potato Chips±||Small bag
|Milk, whole±||1 cup||7||4.5||23%||0||4.5||35||12%|
|Milk, skim†||1 cup||0||0||0%||0||0||5||2%|
|Cake, pound±||1 slice
*Nutrient values rounded based on FDA's nutrition labeling regulations.
** Butter values from FDA Table of Trans Values, 1/30/95.
† Values derived from 2002 USDA National Nutrient Database for Standard Reference, Release 15.
†† Prerelease values derived from 2003 USDA National Nutrient Database for Standard Reference, Release 16.
± 1995 USDA Composition Data.
Reprinted with the permission of the U.S. Food and Drug Administration.
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