Amount of Vitamin A, IU in Onions, raw natural

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There is IU amount of Vitamin A, IU in amount of Onions, raw natural

VITAMIN A
Vitamin A is a very flexible vitamin that exhibits effect on different areas of our body. Who would not remember encouragement by mum to eat carrots, because they are great for eyes?

Well they are and it is thanks to vitamin A, as one of its main role is promoting vision. However this is not the only role. It plays vital role in reproduction and growth, especially in children, important for bone growth and bone remodelling. It activates our immune cells and is vital in protein synthesis, this contributes to protection of the skin from sun damage and promotes integrity of the mucous membranes inside of the body. There are different forms of vitamin A. Animal source provide retinoids and plant source provide carotenoids, from which beta-carotene is the most significant. Beta-carotene is a precursor to vitamin A and provides antioxidant activity. Because vitamin A is a fat-soluble vitamin and our body stores decent amounts, it takes longer for deficiency to occur.

Deficiency of vitamin A may lead to range of complaints, first noticeable is usually night blindness, other signs indicating vitamin A deficiency include susceptibility to infections of respiratory tract, urinary tract and gastrointestinal tract. Important sources of vitamin A include butter, eggs, liver, fortified milk, cream and cheese, if animal protein is not what you are into include spinach, dark green leafy vegetables, broccoli, deep orange fruits like apricots and vegetables including sweet potato, carrots and pumpkin. Mild loses happen during heating green and yellow vegetables.

Determine, under different quantities, how much of Vitamin A, IU nutrient can be found in Onions, raw natural. Calculate and convert the amounts.