|
|
|||
|
VITAMINS
|
|||
|
VITAMINS
|
|||
| Vitamins are defined as " the organic substances which are necessary food factors required in small amounts to regulate energy transformation and metabolism. Vitamins are not energy source but they also work as food catalysts too. Vitamins are effective in very small amounts (milligrams or micrograms). Every vitamin has a specific function and deficiency of a particular vitamin in diet causes a specific disease. Vitamins are not formed in the body except vitamin D. | |||
|
CLASSIFICATION
OF VITAMINS
|
|||
| According
to their solubility, vitamins are divided into two classes: 1. WATER SOLUBLE VITAMINS : Vitamin B- complex , Vitamin C 2. FAT SOLUBLE VITAMINS : Vitamin A, Vitamin D,Vitamin E and Vitamin K |
|||
|
VITAMIN
A (Retinol)
|
|||
![]() |
|||
|
FOOD
SOURCES
|
|||
| Fats of milk, egg, liver fats, cod liver oil, carrot, butter, green vegetable , cheese etc. | |||
|
FUNCTION
|
|||
| 1.
The main function of vitamin A" is to form VISUAL PIGMENT. Healthy
teeth, saves from infectious diseases, softness of tissues . 2. It transports nutrients across the cell membrane. |
|||
|
SYMPTOMS
DUE TO DEFICIENCY
|
|||
| 1.
Night blindness leads to xerophthalmia . 3. Infectious diseases. |
|||
| RDA (recommended daily allowance) : 1000 microgram | |||
|
VITAMIN B- COMPLEX
|
|||
|
B- complex is a group of 12 vitamns such as: |
|||
| For latest information , free computer courses and high impact notes visit : www.citycollegiate.com | |||
|
VITAMIN
B1 ( THIAMIN )
|
|||
| . | |||
|
FOOD
SOURCES
|
|||
| Liver, kidney, cereal, nuts, eggs yolk, legumes, fish, meat, fruits etc. | |||
|
FUNCTION
|
|
||
| It
helps body cells to convert carbohydrates into energy. Healthy heart function. Healthy nerve cells . Brain functioning. |
|||
|
DISEASES
|
|||
|
Beri Beri , heart failure, Loss of weight, digestive disturbance, weakness , nerve damage, constipation |
|||
|
R.D.A
|
|||
| 1.1 to 1.5 mg | |||
|
Note |
|||
|
VITAMIN
B2( RIBOFLAVIN )
|
|||
| . | |||
|
FOOD
SOURCES
|
|||
| Milk, egg, liver, fish, yeast, fruits, green leafy vegetables, wheat , pea, soybean. | |||
|
FUNCTIONS
|
|||
| Body growth, red cell production, helper for other B- vitamins | |||
|
DISEASES
|
|||
| Dry & cracked skin, inflammation on mouth, anemia, eye diseases, poor general health, scales on nails. | |||
|
R.D.A
|
|||
| 1.3 to 1.7 mg | |||
| Note It is light ( sun light ) sensitive |
|||
|
VITAMIN
B6 ( PYRIDOXINE )
|
|||
|
FOOD
SOURCES
|
|||
| Milk, liver, yeast, green leafy vegetables , cereals, kidney, fish, eggs, nuts etc. | |||
|
FUNCTIONS
|
|||
| Protein
and fatty acid metabolizer Red cells production. Brain function. Helps to synthesize antibodies. |
|||
|
DISEASES
|
|||
| Skin disorders, digestive problems, anaemia | |||
|
R.D.A
|
|||
| 2.2 mg | |||
| Note
It is Sensitive to sun light air and heat. Large dosages can lead to neurological disorders. |
|||
|
NICOTINIC
ACID
( NIACIN ) |
|||
| . | |||
|
FOOD
SOURCES
|
|||
| Red meat, liver, yeast, peanut, fish, eggs etc. | |||
|
DEFICIENCY
PROBLEMS
|
|||
| Mental
disturbances Diarrhoea Pellagra Skin lesions. |
|||
|
R.D.A
|
|||
| 14 mg to 19 mg | |||
| Note It is stable towards heats light acid & alkalis. |
|||
| For latest information , free computer courses and high impact notes visit : www.citycollegiate.com | |||