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Violaxanthin is a
xanthophyll pigment with an
orange color found in a
variety of plants.
Violaxanthin is the
product of the
epoxidation of zeaxanthin...
- are
active in the
xanthophyll cycle:
violaxanthin, antheraxanthin, and zeaxanthin.
During light stress,
violaxanthin is converted, i.e. reduced, to zeaxanthin...
- the
enzymatic conversion of the
carotenoid violaxanthin to
zeaxanthin (the
xanthophyll cycle).
Violaxanthin is a
carotenoid downstream from chlorophyll...
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Violaxanthin de-epoxidase (EC 1.10.99.3, VDE) is an
enzyme with
systematic name
violaxanthin:ascorbate oxidoreductase. This
enzyme catalyses the following...
- cycle.
Violaxanthin and
zeaxanthin are
carotenoid molecules within the
chloroplasts called xanthophylls.
Under normal conditions,
violaxanthin channels...
-
chemical reaction:
violaxanthin ⇌ {\displaystyle \rightleftharpoons }
neoxanthin Hence, this
enzyme has one substrate,
violaxanthin, and one product, neoxanthin...
-
quenching (NPQ) and
excess heat
dissipation by
converting the
orange pigment violaxanthin to
antheraxanthin and then to light-yellow
pigment zeaxanthin. The xanthophyll...
-
systematic name
violaxanthin—capsorubin
isomerase (ketone-forming). This
enzyme catalyses the
following chemical reaction (1)
violaxanthin ⇌ {\displaystyle...
- b, and the
carotenoids carotin, lutein, zeaxanthin, antheraxanthin,
violaxanthin, and neoxanthin,
which are also
present in the
leaves of land plants...
- season; they turn pinkish-reddish or yellow-brown, due to
pigments such as
violaxanthin, lutein, and zeaxanthin.[citation needed] The
trees are monoecious, with...
