A vitamin is an organic compound and a vital nutrient that an organism requires in limited amounts. Required for the maintenance of health through diverse mechanisms of most importance is cofactors for enzyme function A compound is called a vitamin • when the organism cannot synthesize it in sufficient quantities, • and it must be obtained through the diet; • thus, the term vitamin is conditional upon th circumstances and the particular organism. Vitamins z.

1. Determination of ascorbic acid Using
2,6-dichloroindophenol