dehydroascorbic acid


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dehydroascorbic acid

[dē¦hī·drō·ə¦skȯr·bik ′as·əd]
(organic chemistry)
C6H6O6 A relatively inactive acid resulting from elimination of two hydrogen atoms from ascorbic acid when the latter is oxidized by air or other agents; has potential ascorbic acid activity.
References in periodicals archive ?
The determination of ascorbic acido in whole blood and urine through the 2,4-dinitrophenylhydrazine derivative of dehydroascorbic acid.
Ascorbic acid is unstable and oxidizable to dehydroascorbic acid, which can still be absorbed by the human body and used as vitamin C; however, it undergoes irreversible oxidation into 2,3-diketogulonic acid, which has no vitamin activity.
Choline, succinic acid, flavonoida, tannins, B-sistosterol nonacosane, ascorbic acid and dehydroascorbic acid (Prajapati, et al.
In an oxygen-rich environment such as human arteries, a fraction of vitamin C, also called ascorbic acid, becomes oxidized and is transformed into a new compound called dehydroascorbic acid (DHA).
Cells were incubated for 90 min with dehydroascorbic acid, and cellular Asc was quantified using 1,2-diamino-4,5-dimethoxybenzene (Reynolds and Zhitkovich 2007).
Roe JH, Obsterling MJ Please provide the issue numbers for References 6, 8, and 10The determination of dehydroascorbic acid and ascorbic acid in plant tissues by the 2,4-dinitrophenylhydrazine method.
The term vitamin C refers to both ascorbic acid and dehydroascorbic acid (DHA).
In contrast, the oxidized form of vitamin C, dehydroascorbic acid (oxidized ascorbic acid), readily enters the brain and is retained in the brain tissue in the form of ascorbic acid.