Synthesis by bacteria in the gut. Dark green leafy vegetables, eg cabbage, brussel sprouts and spinach. Deficiency leads to an increased clotting time. Ascorbic acid is a water soluble vitamin required for the production of collagen - the protein in connective tissue. It also helps the body absorb iron from plant sources.
Severe deficiency leads to scurvy .
This disease is characterised by bleeding gums, poor wound healing and damage to bone and other tissues. It is rarely seen in Britain today, although it may occur very occasionally in older adults. If the body is under stress, ascorbic acid is used up more quickly. Emerging evidence indicates that ascorbic acid may play a protective role against some cancers and heart disease, possibly through its antioxidant properties. Considerably more data are needed before any claims could be made.