Ascorbic Acid A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.
MediLexicon ascorbic acid - Medical Dictionary Definition for Term 'ascorbic acid'
[1. A vitamin used in preventing scurvy, as a strong reducing agent, and as an antioxidant.