2. Chemistry :
-6c organic acid with structural similarity to
-Potent reducing agent & is biologically active.
-Citrus fruits ( lemon,oranges)& black
currants – richest source .
-Others are tomato, potato, green chillies,
------Human milk is richer in vit c ( 25 – 50
mg/l) than cow’s milk
3. Hypovitaminosis : Scurvy,hemorrhagia,dry skin, gingivitis
with bleeding gums,tooth loss.
Hypervitaminosis : Rbc
Daily allowance : 60mg
Absorption : 70 – 90%
Mode of administration : tab,liquid, injection,capsule
-The vitamin is involved in tyrosine metabolism,
conversion of folic acid to folinic acid, carbohydrate
metabolism, synthesis of lipids and proteins, iron
metabolism, resistance to infections, and cellular
- Indicated for the prevention and
treatment of scurvy, as ascorbic acid
deficiency results in scurvy.
- Collagenous structures are
primarily affected, and lesions
develop in bones and blood vessels.
- Administration of ascorbic acid
completely reverses the symptoms
of ascorbic acid deficiency.
6. Uses :
-Prevention of ascorbic acid deficiency.Infants (50-
100mg/ day ).
-Treatment of scurvy – 0.5 – 1.5 g / day .
-To acidify urine in UTI
- For intoxication and poisoning.
Food interactions :
Avoid multivalent ions. Do not infuse with
elemental compounds that can be reduced, such as