WATER SOLUBLE VITAMINS
VITAMIN B3 & B5
Vitamins
Vitamin B3
Vitamin B5
Other names
Niacine, Nicotinamide, pellagra preventing
factor, anti-pellagric factor
Pantothenic acid, yeast factor, chick
antidermatitis factor or anti-greying factor
Discovered by
C. Funk
R.J Williams
Daily requirement
13-18 mg
5-10 mg
Sources
Fish, liver, red meat, yeast, grains, peas,
beans, fruits, cereal husks, green leafy vegetables. Egg yolk.
Liver, yeast, green vegetables, grains,
kidney, intestinal bacteria, egg yolk.
Functions
All biological oxidation- reduction reactions
as NAD or NADP.
As H-receptor in dehydrogenation reactions.
In
metabolism as coenzyme A. e.g. Acetyl Co~A
Deficiency
Pellagra
(4-D syndrome: Diarrhoea, Dermatitis,
Dementia, Death)
Dermatitis in chicken.
Neuromuscular dysfunction and fatigue.
Poor growth.
Early ageing and graying of hair.
“Burning feet” syndrome.
Vitamins
|
Vitamin B3
|
Vitamin B5
|
Other names
|
Niacine, Nicotinamide, pellagra preventing
factor, anti-pellagric factor
|
Pantothenic acid, yeast factor, chick
antidermatitis factor or anti-greying factor
|
Discovered by
|
C. Funk
|
R.J Williams
|
Daily requirement
|
13-18 mg
|
5-10 mg
|
Sources
|
Fish, liver, red meat, yeast, grains, peas,
beans, fruits, cereal husks, green leafy vegetables. Egg yolk.
|
Liver, yeast, green vegetables, grains,
kidney, intestinal bacteria, egg yolk.
|
Functions
|
All biological oxidation- reduction reactions
as NAD or NADP.
As H-receptor in dehydrogenation reactions.
|
In
metabolism as coenzyme A. e.g. Acetyl Co~A
|
Deficiency
|
Pellagra
(4-D syndrome: Diarrhoea, Dermatitis,
Dementia, Death)
|
Dermatitis in chicken.
Neuromuscular dysfunction and fatigue.
Poor growth.
Early ageing and graying of hair.
“Burning feet” syndrome.
|