Vitamin E-Rich Foods Quiz
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Questions and Answers

Which vitamin is known for its antioxidant function in limiting radical damage from oxidation of PUFAs?

  • Beta-Carotene
  • Vitamin A
  • Vitamin E (correct)
  • Vitamin C

    • What is the function of VLDL in relation to Vitamin E absorption and metabolism?

  • Neutralizing free radicals
  • Donating an electron
  • Transporting Vitamin E to other tissues (correct)
  • End the chain reaction

    • What is the primary role of antioxidants in the body?

  • Generate oxygen radicals
  • Neutralize free radicals (correct)
  • Remain stable
  • Cause a cascade of destruction

    • What can free radicals damage within the body?

    <p>Cell membranes</p> Signup and view all the answers

    What is the non-radical product of the tocopheroxyl radical?

    <p>Vitamin E</p> Signup and view all the answers

    What micronutrients are examples of dietary antioxidants?

    <p>Vitamin C and Vitamin E</p> Signup and view all the answers

    What can high levels of free radicals cause damage to?

    <p>Cellular dysfunction</p> Signup and view all the answers

    What has epidemiology studies shown about high blood concentrations of Vitamin E?

    <p>Lower incidence of CVD</p> Signup and view all the answers

    What are some factors that contribute to oxidative stress?

    <p>Exposure to toxins</p> Signup and view all the answers

    What is the primary role of Vitamin E in the body's defense mechanisms?

    <p>Neutralize free radicals</p> Signup and view all the answers

    What do randomized controlled trials with high dose Vitamin E supplements show?

    <p>No effect</p> Signup and view all the answers

    What is the function of chylomicron in relation to Vitamin E absorption and metabolism?

    <p>Transporting Vitamin E to other tissues</p> Signup and view all the answers

    What is the formula for calculating alpha-tocopherol equivalents?

    <p>\alpha-tocopherol Equivalents = \alpha-tocopherol + 0.5\beta-tocopherol + 0.1\gamma-tocopherol + 0.3\alpha-tocotrienol</p> Signup and view all the answers

    Which food has the highest amount of \alpha-tocopherol per serving?

    <p>Sunflower oil</p> Signup and view all the answers

    What is the biological potency of \alpha-tocopherol compared to other vitamers?

    <p>\alpha-tocopherol is the most active</p> Signup and view all the answers

    How is the \alpha-tocopherol equivalent calculated for soybean oil?

    <p>10.1 + (0.5 * 59.3) + (0.1 * 26.4) + (0.3 * 0)</p> Signup and view all the answers

    Which food has the highest total tocopherol content per serving?

    <p>Sunflower oil</p> Signup and view all the answers

    What is the vitamin E content in 1 ounce of peanuts?

    <p>2.4 mg \alpha-tocopherol</p> Signup and view all the answers

    What is the vitamin E content in 1 tablespoon of safflower oil?

    <p>4.6 mg \alpha-tocopherol</p> Signup and view all the answers

    What is the vitamin E content in 1 tablespoon of corn oil?

    <p>1.9 mg \alpha-tocopherol</p> Signup and view all the answers

    Which of the following has the highest \gamma-tocopherol content?

    <p>Corn oil</p> Signup and view all the answers

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