• Violaxanthin is a xanthophyll pigment with an orange color found in a variety of plants. Violaxanthin is the product of the epoxidation of zeaxanthin...
    3 KB (180 words) - 20:58, 12 March 2024
  • Thumbnail for Xanthophyll
    are active in the xanthophyll cycle: violaxanthin, antheraxanthin, and zeaxanthin. During light stress, violaxanthin is converted, i.e. reduced, to zeaxanthin...
    9 KB (1,079 words) - 14:33, 11 March 2024
  • the enzymatic conversion of the carotenoid violaxanthin to zeaxanthin (the xanthophyll cycle). Violaxanthin is a carotenoid downstream from chlorophyll...
    8 KB (920 words) - 11:17, 11 December 2023
  • Violaxanthin de-epoxidase (EC 1.10.99.3, VDE) is an enzyme with systematic name violaxanthin:ascorbate oxidoreductase. This enzyme catalyses the following...
    4 KB (362 words) - 16:18, 26 August 2023
  • Thumbnail for Neoxanthin
    from violaxanthin, but a suspected neoxanthin synthase is still to be confirmed. Two different genes were confirmed to be implied in violaxanthin conversion...
    4 KB (281 words) - 17:59, 2 December 2023
  • cycle. Violaxanthin and zeaxanthin are carotenoid molecules within the chloroplasts called xanthophylls. Under normal conditions, violaxanthin channels...
    39 KB (4,560 words) - 22:19, 26 September 2024
  • chemical reaction: violaxanthin ⇌ {\displaystyle \rightleftharpoons } neoxanthin Hence, this enzyme has one substrate, violaxanthin, and one product, neoxanthin...
    2 KB (163 words) - 15:08, 26 August 2023
  • quenching (NPQ) and excess heat dissipation by converting the orange pigment violaxanthin to antheraxanthin and then to light-yellow pigment zeaxanthin. The xanthophyll...
    10 KB (854 words) - 23:07, 4 March 2024
  • systematic name violaxanthin—capsorubin isomerase (ketone-forming). This enzyme catalyses the following chemical reaction (1) violaxanthin ⇌ {\displaystyle...
    2 KB (188 words) - 13:24, 26 August 2023
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    b, and the carotenoids carotin, lutein, zeaxanthin, antheraxanthin, violaxanthin, and neoxanthin, which are also present in the leaves of land plants...
    48 KB (4,734 words) - 18:22, 17 October 2024