-
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...
- from
violaxanthin, but a
suspected neoxanthin synthase is
still to be confirmed. Two
different genes were
confirmed to be
implied in
violaxanthin conversion...
-
systematic name
violaxanthin—capsorubin
isomerase (ketone-forming). This
enzyme catalyses the
following chemical reaction (1)
violaxanthin ⇌ {\displaystyle...
- cycle.
Violaxanthin and
zeaxanthin are
carotenoid molecules within the
chloroplasts called xanthophylls.
Under normal conditions,
violaxanthin channels...
-
quenching (NPQ) and
excess heat
dissipation by
converting the
orange pigment violaxanthin to
antheraxanthin and then to light-yellow
pigment zeaxanthin. The xanthophyll...
- season; they turn pinkish-reddish or yellow-brown, due to
pigments such as
violaxanthin, lutein, and zeaxanthin.[citation needed] The
trees are monoecious, with...
-
carotenoids 74.8 51.4
Xanthophylls Neoxanthin 5.0 (± 0.2) 2.6 (± 0.2) 0
Violaxanthin 11.0 (± 0.2) 7.2 (± 0.6)
Zeaxanthin traces traces β-cryptoxanthin traces...
