Vitamin E Discovery and Sources
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Questions and Answers

Which form of naturally occurring vitamin E is the most active in the body?

  • Beta-tocopherol
  • Gamma-tocopherol
  • Delta-tocopherol
  • Alpha-tocopherol (a-tocopherol) (correct)

What effect do humidity and long storage have on vitamin E stability and content?

  • No effect
  • Reduces stability (correct)
  • Changes the color
  • Increases stability

Which source is NOT rich in vitamin E according to the text?

  • Alfalfa
  • Clover
  • Middlings (correct)
  • Grass

What role does vitamin E play in metabolism according to the text?

<p>Reduces lipid peroxyl radicals production (C)</p> Signup and view all the answers

Which aspect of metabolism is controlled by vitamin E?

<p>Gonads' development and function (A)</p> Signup and view all the answers

What is the main form of naturally occurring vitamin E that is most active in the body?

<p>Alpha-tocopherol (C)</p> Signup and view all the answers

Which source is NOT mentioned as a rich source of vitamin E in the text?

<p>Maize (C)</p> Signup and view all the answers

What is the primary physiological role of vitamin E in reducing lipid peroxyl radicals from highly unsaturated fatty acids?

<p>Reducing lipid peroxyl radical production (D)</p> Signup and view all the answers

Which vitamin E form primarily contributes to the stabilization of fat and protection against oxidation in animal products?

<p>Alpha-tocopherol (C)</p> Signup and view all the answers

How does vitamin E affect the metabolism of hormones via the anterior lobe of the hypophysis?

<p>Controlling hormone metabolism (B)</p> Signup and view all the answers

In what way does vitamin E maintain membrane stability, particularly in cardiac and skeletal muscles?

<p>Stabilizing membrane structure (A)</p> Signup and view all the answers

'Stimulates antibody production, phagocytosis, and bactericide effects of phagocytes' - Which aspect of immunity is primarily influenced by vitamin E according to this statement?

<p>Adaptive immunity (C)</p> Signup and view all the answers

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