Highest source of vitamin A is

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  1. Papaya
  2. Green Leafy vegetable
  3. Cod Liver oil 
  4. Carrot

Answer (Detailed Solution Below)

Option 3 : Cod Liver oil 
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The correct answer is Cod Liver Oil

Explanation:

Vitamin A is a fat-soluble vitamin that is crucial for maintaining vision, promoting growth and development, and protecting the immune system. It can be found in both animal and plant-based foods. In animal sources, it is found as retinol, while in plant sources, it is present as provitamin A carotenoids, which the body converts into retinol.

  • Cod Liver Oil: This is the highest source of vitamin A.
    • Cod liver oil is derived from the liver of codfish and is rich in retinol, the active form of vitamin A.
    • It provides a highly bioavailable source of this essential nutrient, making it extremely effective in preventing and treating vitamin A deficiencies.

Types of Vitamin

Deficiency Diseases Sources 
A (Retinol)

Loss of vision, Xerophthalmia

Carrot, Papaya, etc. 
B1 (Thiamine) Beri-beri Liver, Peas, Yeast, etc. 
B2 (Riboflavin) Retarded growth, bad skin Fish, Meat, Eggs
B12 (Cyanocobalamin) Anaemia Fish, Milk, and Milk products 
C (Ascorbic acid) Scurvy, Gingivitis Citrus fruits and juices, vegetables, etc.
D (Calciferol) Rickets,  Sunlight
E(Tocopherol) Paralysis, sterility Egg, Peanuts, Green vegetables, soybeans
K (Phylloquinone) Excessive bleeding due to injury Green leafy vegetables, cheese
 

 

Cod liver oil is exceptionally rich in preformed vitamin A (retinol), making it the highest source of vitamin A compared to papaya, green leafy vegetables, and carrots, which are all good sources of provitamin A carotenoids like beta-carotene but not as concentrated as the preformed vitamin A found in cod liver oil.

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