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Q.
Which of the following acid is also a vitamin?
AFMCAFMC 2012Digestion and Absorption
Solution:
Ascorbic acid or vitamin $C$ is a colourless, crystalline, water-soluble, heat labile vitamin with antioxidant properties, found especially in citrus fruits and green vegetables. It functions as a scavenger of free radicals within cells and in extracellular fluid and blood plasma. Most organisms synthesize it from glucose but humans and other primates obtain it form diet. The recommended daily intake is $30 \,mg$ for an adult. Deficiency of vitamin $C$ leads to scurvy.