Nutrition Quiz

Vitamin E

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1. In which year was Vitamin E discovered?

In 1922 Evans and Bishop found a fat-soluble factor, which they called Vitamin E later.

2. Which was the first effect ascribed to Vitamin E?

Because the vitamin activity was first identified in 1936 from a dietary fertility factor in rats, it was given the Greek name "tocopherol".

3. Which is the most active form of Vitamin E?

Natural vitamin E exists in eight different forms, but Alpha-Tocopherol is the most active biological form.

4. What is the most important biological function of Vitamin E?

Vitamin E protects cell membranes against oxidation.

5. What substances are needed for the absorption of Vitamin E?

Since Vitamin E is fat-soluble the presence of pancreatic lipase and bile acid is needed for the absorption of Vitamin E from the gastrointestinal tract.

6. Which food has the highest Vitamin E content?

With about 175 milligrams / 100 grams wheat germ oil has the highest content of Vitamin E.

7. The recommended daily intake of Vitamin E depends on the intake of ...

The recommended daily intake depends on the intake of unsaturated fatty acids.

8. How much is the adequate intake (AI) of Vitamin E for infants, children, men and women?

The adequate intake for a 25-year old male for Vitamin E is 15 milligrams / day.

9. Which body tissue contains the highest concentration of Vitamin E?

The highest concentrations of Vitamin E are in the adrenal cortex and fat (130-150 micrograms / gram).

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