SHORT NOTES ON VITAMINS

Vitamins:
It enhances the metabolism of proteins, carbohydrates and fats. Vitamins are
required for growth in children, formation of hormones, blood cells, tissues
and bones. Vitamins cannot be synthesised/produced by the human body, thus, our
diet must contain vitamins.

TYPES OF VITAMINS:
Vitamin
Chemical Name
Food Sources
Deficiency Diseases
A
Retinol
  Milk, eggs, fish,
butter, cheese and liver.
Night blindness, Skin dryness.
B1
Thiamine
Legumes, whole grain, nuts.
Beri-beri.
B2
Riboflavin
Egg, milk, cheese, nuts, bread products.
Inflammation of tongue, sores in the corners of the mouth.
B3
Niacin or Nicotinic acid
Meat, fish, pea nuts, whole grain.
skin disease, diarrhoea, depression, dementia.
B5
Pantothenic acid
Eggs, liver, dairy products.
Fatigue, muscle cramp.
Pellagra
B6
Pyridoxine
Organ meats, cereals, corn.
Anaemia, kidney stones, nausea, depression.
B12
Cyanocobalamin
Meat, fish.
pale skin, constipation, fatigue.
C
Ascorbic acid
Oranges, tomatoes, sweet and white potatoes.
Scurvy, anaemia, ability to fight infections decreases.
D
Calciferol
Direct sunlight, fish oils, eggs.
Rickets, osteomalacia.
E
Tocopherol
Vegetable oils, olives, tomatoes, almonds, meat, eggs.
Neurological problems, problems of reproductive system.
K
Phylloquinone or Naphthoquinone
Soyabeans, green leafy vegetables, dairy products, meat.
Failure to clot blood.




Vitamins
are further divided into two groups-
(1)
Fat soluble vitamins, and
(2)
Water soluble vitamins.
Fat
soluble vitamins
A, D, E and K.

Water
soluble vitamins –
Vitamin-B complex (B1, B2, B3, B5, B6, B12), C and Folic
acid.




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