Everything about Dehydroascorbic Acid totally explained
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Dehydroascorbic acid (
DHA) is an oxidized form of
ascorbic acid. It is actively imported into the
endoplasmic reticulum of cells and generates the oxidative potential found there.
Protein disulfide isomerases are known to reduce DHA back to ascorbic acid, oxidizing their disulfide bonds in the process. Therefore L-dehydroascorbic acid is a vitamin C compound much like L-ascorbic acid. Oxidized forms of esterified ascorbic acids can be numbered at C(5) or C(6) atoms and the
(free) chemical radical semi-dehydroascorbate or semidehydro ascorbic acid (SDA) to the group of dehydroascorbic acids.
Physiology
Although there exists a transporter for
Vitamin C, it's mainly present in specialized cells, whereas the
glucose transporters, most notably
GLUT1, ensure in most cells of the body the transport of vitamin C (in its oxidized form, DHA)
Transport to the brain
Vitamin C doesn't enter the brain.
Further Information
Get more info on 'Dehydroascorbic Acid'.
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