Vitamin A

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1. How is the major form of Vitamin A in foods of animal origin called?

Cholecalciferol

Pyridoxine

Retinol

Thiamine

The major form of vitamin A is the alcohol retinol. Other forms are the aldehyde retinal or the retinoic acid.

Vitamin A is a fat-soluble nutrient.

Vitamin A is a water-soluble nutrient.

The molecular formula of retinol is C20H30O.

Vitamin A is an essential human nutrient.

Vitamin A is NOT a water-soluble, but a fat-soluble nutrient.

900 nanogram for men, 700 nanogram for women

900 micrograms for men, 700 micrograms for women

900 milligram for men, 700 milligram for women

900 grams for men, 700 grams for women

The recommended daily intake of vitamin A is 900 micrograms for men and 700 micrograms for women.

Beta carotene

Cholesterol

Lycopene

Purine

Beta carotene is a provitamin that can be converted to Vitamin A by the human body.

Diabetes mellitus

Scurvy

Impaired vision / Night blindness

Rickets

The earliest manifestation of vitamin A deficiency is impaired vision / night blindness.

Carrots

Cocoa butter

Oatmeal

Cod liver oil

With approx. 30 mg / 100 gram cod liver oil has the highest vitamin A content.