dehydroascorbic acid

noun
de·​hy·​dro·​ascor·​bic acid | \ -ə-ˌskȯr-bik- How to pronounce dehydroascorbic acid (audio) \

Medical Definition of dehydroascorbic acid

: a crystalline oxidation product C6H6O6 of vitamin C that occurs at times in some foodstuffs (as fruits, vegetables, and milk) and can be reduced to vitamin C