IMPORTANT VITAMINS FOR OUR BODY -2

IMPORTANT VITAMINS FOR OUR BODY

WATER SOLUBLE VITAMINS

• VITAMIN-B1 (THIAMINE)

SOURCES :-

Cereals, pulses, nuts & oil seeds, meat, fish, milk, unpolished rice, vegetables and fruits

ROLE IN OUR BODY :-

Coenzyme forms : TPP,
Decarboxylation of pyruvic acid and alpha ketoglutaric acid in citric acid cycle
Transketolase reaction in HMP shunt

DEFICIENCY DISEASES :-

Beriberi

DAILY REQUIREMENTS :-

1.5 mg

• VITAMIN-B2 (RIBOFLAVIN)

SOURCES :-

Milk, eggs, liver, leafy vegetables

ROLE IN OUR BODY :-

Coenzyme forms : FMN, FAD
Acts as coenzyme in biological oxidation

DEFICIENCY DISEASES :-

Cataract, photophobia, glossitis, fissure at the angles of mouth

DAILY REQUIREMENTS :-

1.5 to 1.8 mg

• NIACIN

SOURCES :-

Liver, milk, tomatoes, yeasts and green leafy vegetables

ROLE IN OUR BODY :-

Coenzyme forms : NAD, NADP
They are coenzymes of dehydrogenases
Vasodilation & increase blood flow

DEFICIENCY DISEASES :-

Pellegra
3D disease ( dermatitis,dementia,diarrhoea)

DAILY REQUIREMENTS :-

17 to 21 mg

• VITAMIN-B6 (PYRIDOXIN)

SOURCES :-

Germinating cereals, rice polishings, yeast & egg yolk

ROLE IN OUR BODY :-

Coenzyme form : Pyridoxal phosphate
Transamination of glutamic acid to alpha ketoglutaric acid
Decarboxylation of dopa to dopamine
Decarboxylation of glutamic acid to gamma amino butyrate

DEFICIENCY DISEASES :-

Epileptiform convulsions in children
peripheral neuritis with INH

DAILY REQUIREMENTS :-

2 mg

• PANTOTHENIC ACID

SOURCES :-

Egg yolk, royal jelly, kidney, liver & yeast

ROLE IN OUR BODY :-

Coenzyme forms : CoA & Acetyl CoA
These coenzyme are required in :

1. Citric acid cycle
2. Formation of acetylcholine
3. Synthesis of cholesterol of cholesterol and steroid hormones

DEFICIENCY DISEASES :-

No known deficiency

DAILY REQUIREMENTS :-

5 to 12 mg

• BIOTIN

SOURCES :-

Egg yolk, liver, kidney, yeast, milk and tomatoes

ROLE IN OUR BODY :-

Coenzyme form : Biotin
It is a coenzyme for carboxylase, fatty acid synthesis, purine synthesis

DEFICIENCY DISEASES :-

Anorexia, anemia, dermatitis, poor hair growth

DAILY REQUIREMENTS :-

It is synthesized in our body by intestinal bacteria so daily requirement is not needed

• FOLIC ACID

SOURCES :-

Cauliflower, green leafy vegetables, yeast, liver & kidney

ROLE IN OUR BODY :-

Coenzyme form : Folic Acid
Single carbon transfer reactions
Trans methylation reactions 

DEFICIENCY DISEASES :-

Megaloblastic anemia

DAILY REQUIREMENTS :-

2 to 4 micro grams

• VITAMIN-B12 (CYNOCOBALAMINE)

SOURCES :-

Non veg food like liver, kidney, egg, meat & milk

ROLE IN OUR BODY :-

Coenzyme form : Cobamide coenzyme

It acts as a coenzyme :

1. in the conversion of methyl malonyl CoA to succinyl CoA
2. in methyl group transfer reactions

DEFICIENCY DISEASES :-

Megaloblastic anemia

DAILY REQUIREMENTS :-

2 to 4 micro grams

• VITAMIN-C (ASCORBIC ACID)

SOURCES :-

Lemons, oranges, berries, melons leafy vegetables, cabbages and tomatoes

ROLE IN OUR BODY :-

collagen synthesis
oxidation-reduction reactions
absorption of iron

DEFICIENCY DISEASES :-

Scurvy

DAILY REQUIREMENTS :-

75 to 100 mg

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