Vitamin B7-Biotin

• Water soluble

• A sulphur containing B-complex vitamin

• Strengthen immunity

History

Work Scientists Years

Called anti egg, white injury factor

M.A. Boas 1927

Named it biotin Fritz kogal 1935

Eluciated the structure of bioyin

Du vineaud his associates

1942

Properties

• Biotin crystallizes as long needles

• Biotin freely soluble in hot water

• It has melting point of 2300 c

Structure

Rich dietary Sources Barley 60 mcg

Soya beans 60 mcg

Cauliflower 15 mcg

Peanuts 35 mcg

Beef liver 100 mcg

Deficiency symptoms

• Muscular weakness• Lassitude• Lack of appetite• Skin disorders• Heart abnormalities• Lung infections• Anaemia• Extreme fatigue• Confusion • Mental depression• Drowsiness

• Biotin is vital for healthy immune system

• It is involved in the metabolism

• It is essential for the growth and health of hair

• It controls proper distribution of colour pigment

• It helps to maintain nervous system in a sound condition

Functions of Biotin(Metabolic and biochemical function)

• Treatment with 20 mcg of biotin taken daily for 10 days intramuscularly can heal skin lesions

Healing and therapeutic properties

RDA

• A daily intake of about 100-300 mg is recommended for adults

Precautions

• Heavy dose of vitamin B7 should not be taken unless the individual has found to have a deficiency