vitamin a

     

Vitamin A is an essential human nutrient. Vitamin A actually refers to a family of similarly shape molecules: the retinoids. Its important part is the retinyl group, which can be found in several forms. In foods of animal origin, the major form of vitamin A is an ester, primarily retinyl palmitate, which is converted to an alcohol (retinol) in the small intestine. Vitamin A can also exist as an aldehyde (retinal), or as an acid (retinoic acid). Precursors to the vitamin (provitamins) are present in foods of plant origin as some of the members of the carotenoid family of compounds.

Trivia about vitamin a

  • Your body can convert beta carotene into this vitamin found in liver & stored in your liver
  • Skim milk is fortified with D & this vitamin that's lost when the butterfat is removed
  • The fat droplets in milk carry most of this vitamin aka retinol, so the FDA requires skim milk to be fortified
  • This vitamin is necessary for the production of visual purple; a deficiency of it leads to night blindness
  • By McCollum in 1913, this, which you need for healthy eyes
  • A deficiency of this vitamin cuts down on your production of visual purple & may lead to night blindness
  • Night blindness may come from a deficiency in this vitamin, also called retinol
  • Your liver converts beta-carotene into this vitamin
  • Night blindness may come from a deficiency of this vitamin also called retinol

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