Chemistry of ascorbic acid

Ascorbic acid is an organic compound with formula C 6H 8O 6, originally called hexuronic acid. It is a white solid, but impure samples can appear yellowish. It dissolves well in water to give mildly acidic solutions. It is a mild reducing agent. Ascorbic acid exists as two enantiomers (mirror-image isomers), commonly denoted "L" (for "levo") and "D" (for "dextro"). The L isomer is the one most often ecountered: it occurs naturally in many foods, and is one form ("vitamer") of vitamin C, an essential nutrient for humans and many animals. Deficiency of vitamin C causes scurvy, formerly a major disease of sailors in long sea voyages. It is used in as a food additive and a dietary supplement for its antioxidant properties. The "D" form can be made via chemical synthesis but has no significant biological role.

Words

This table shows the example usage of word lists for keywords extraction from the text above.

WordWord FrequencyNumber of ArticlesRelevance
ascorbic4680.308
acid5113090.211
vitamin211750.115

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