Fat Soluble Vitamins-Role In The Body

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Fat Soluble Vitamins-Role In The Body

Fat soluble vitamins are very important to the body.There are different types of Fat soluble vitamins and they are as follows:

  • vitamin A
  • Vitamin D
  • Vitamin E
  • vitamin K

 

VITAMIN A

Vitamin A can be found in the following types of food: fish oil, milk, cheese, butter, egg yolk. Vitamin A can be formed in the body from carotenoids, where the main dietary sources are green vegetable, fruits(the red palm oil, pawpaw,carrots). Vitamin A is only absorbed in the body if fat absorption is normal.

Functions Of Vitamin A In The Body

  • Vitamin A is very important and for the healthy condition of the cornea of the eye.
  • It is important for the regeneration of the visual purple in the retina of the eye which encourages rapid adaptation in the dark.
  • It also controls the nutrition of epithelial surfaces, which reduces the severity of micro-organism infections. This vitamin is known as anti-infection vitamin

 

VITAMIN D

Vitamin D is also seen as the antirachitic vitamin, which can be found in liver oil such as milk, palm oil, butter, eggs, fish liver oil. This vitamin is also absorbed into the body if fat absorption is normal

Functions Of Vitamin D In The Body 

  • This is the vitamin which regulates calcium and phosphorus metabolism; meaning that it helps in the intestinal absorption of the mineral salt.
  • It also assists in the process of laying down of salts in the bone during its growth.

Vitamin D can also be gotten as a result of ultra-violet rays of the sun on the cholesterol in the skin.

 

 

VITAMIN E OR TOCOPHEROL

Vitamin E can be gotten from wheat germ, lettuce, groundnuts, egg yolk, cereals, milk and also butter in small quantity. Lack of this vitamin can cause failure in reproduction. This only happens in animals but there is no verified proof that it is also applicable to human beings.

Functions Of Vitamin E In The Body

  • They help the body to maintain normal connective tissue metabolism.
  • It also can affect the protein metabolism in the body.

 

 

VITAMIN K

The sources of vitamin K are liver, fish, fruits, green leaves and spinach. Vitamin K is synthesised in the intestinal tract by bacterial action. It require the presence of bile salts in the small intestine before it can be absorbed.

 

Functions Of Vitamin K

It is necessary for the formation by the liver of prothrombin, which in turn is essential to the functioning of the blood-clotting mechanism.

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