Questions for Trans Fat Article

Answer the questions in complete sentences on a separate sheet of paper.

  1. List two oils that have unsaturated fats.
  2. Why are people advised to reduce their saturated fat intake?
  3. How do monounsaturated fats differ chemically from polyunsaturated fats?
  4. Describe the difference between trans and cis fatty acids.
  5. How does the word isomer apply to the trans and cis fatty acids in the article's diagram?
  6. What does partial hydrogenation do to the chemical bonds in vegetable oils?
  7. Cholesterol in the blood stream comes in two forms, LDL (low density) and HDL (high density). Elevated LDL levels or a low HDL/LDL ratio is associated with heart disease. What effect do trans fats have on cholesterol in the blood?
  8. Kromhout quantified the increased risk of coronary heart disease in his study of men in the Netherlands. Describe that quantified risk.
  9. Describe the trans fat risk for women that Walter Willet discovered.
  10. List two foods found in stores that most consumers don't realize might contain trans fats.
  11. How is hydrogenation of oils conventionally accomplished ?
  12. Contrast the percentage of trans fatty acids using the new higher pressure/lower temperature technique and the typical amounts present in hydrogenated oils.
  13. The National Association of Margarine Manufacturers say that margarine, even with trans fats, is better for you than butter with its saturated fats. Researcher de Roos thinks trans fats are worse than saturated fats. What do you think? Defend your choice.
  14. Most teenagers ingest considerable amounts of hydrogenated oils. List the brand product names of three foods you eat that have hydrogenated oils.

Reference: Gorman, Jessica. "Trans Fats - new studies add to these fats' image problem". Science News. Nov 10, 2001. Vol 160. No. 19. pp300-301.