-
Dehydroascorbic acid (DHA) is an
oxidized form of
ascorbic acid (vitamin C). It is
actively imported into the
endoplasmic reticulum of
cells via glucose...
- is an
enzyme that
catalyzes the
chemical reaction 2
glutathione +
dehydroascorbate ⇌ {\displaystyle \rightleftharpoons }
glutathione disulfide + ascorbate...
-
disproportionates into
ascorbate and
dehydroascorbate (DHA).
Dehydroascorbate is
reduced to
ascorbate by
dehydroascorbate reductase (DHAR) at the
expense of...
-
bicyclic hemiketal dehydroascorbate. In particular,
semidehydroascorbate undergoes disproportionation to
ascorbate and
dehydroascorbate: C6H6O6•− + L• +...
- \rightleftharpoons } 2
dehydroascorbate + 2 H2O Thus, the two
substrates of this
enzyme are L-ascorbate and O2,
whereas its two
products are
dehydroascorbate and H2O...
- dopamine,
vitamin C (ascorbate), and O2. The
products are norepinephrine,
dehydroascorbate, and H2O. DBH is a 290 kDa copper-containing
oxygenase consisting of...
- L-
dehydroascorbate + 2 H2O (overall reaction) (1a)
violaxanthin + L-ascorbate ⇌ {\displaystyle \rightleftharpoons }
antheraxanthin + L-
dehydroascorbate...
-
refers to the l-enantiomer of
ascorbic acid and its
oxidized form,
dehydroascorbate (DHA). Therefore,
unless written otherwise, "ascorbate" and "ascorbic...
-
radical scavenger in the
Fenton reaction. 2 Fe3+ +
Ascorbate → 2 Fe2+ +
Dehydroascorbate 2 Fe2+ + 2 H2O2 → 2 Fe3+ + 2 OH· + 2 OH− The
relative importance of...
- L-ascorbate + 2
ferricytochrome c ⇌ {\displaystyle \rightleftharpoons } L-
dehydroascorbate + 2
ferrocytochrome c + 2 H+ (spontaneous) This
enzyme catalyses the...
