vitamin A

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Micronutrients and malnutrition - vitamin A deficiency and toxicity

23 Nov 2020 2 minute read 2 comments Heruvim78

Vitamin A deficiency is especially dangerous for infants, children, pregnant and lactating mothers. From 2012 more than 250 millions pre-school children were affected each year, and around 670.000 children under five were dying. Rare in the Western w...

Micronutrients and malnutrition - Vitamin A functions

22 Nov 2020 2 minute read 1 comment Heruvim78

Welcome to our bytesize lesson for today, when i will write about vitamin A functions. Vitamin A is promoting our vision, role in protein synthesis and cell differentiation (maintaining the skin and the epithelial tissue healthy), supporting growth,...

Micronutrients and malnutrition - Vitamin A absorption and metabolism

21 Nov 2020 1 minute read 0 comments Heruvim78

Welcome to our bytesize lesson for today. Vitamin A is obtained as retinol (preformed) from animal sources, or as provitamin A carotenoids from plant sources. The retinol in foods is linked to a fatty acid forming retinyl esters, which are hydrolyzed...

Micronutrients and malnutrition - Vitamin A (Introduction)

20 Nov 2020 1 minute read 1 comment Heruvim78

  So, i already mentioned that the vitamins are fat soluble and water soluble. The fat soluble ones are A, D, E and K.  I will start to write about vitamin A, as its deficiency is a serious, actual problem in low income countries, second only to the...