Compound as reactive (5)
violaxanthin → trans-neoxanthin
violaxanthin + H2O + NADP+ → antheraxanthin + NADPH + oxygen
2 oxygen + violaxanthin → 2 5,6-epoxy-3-hydroxy-9-apo-β-caroten-9-one + 4,9-dimethyldodeca-2,4,6,8,10-pentaene-1,12-dial
violaxanthin + L-ascorbate + H+ → antheraxanthin + H2O + L-dehydro-ascorbate
violaxanthin → capsorubin
Compound as product (3)
2 NAD(P)H + 2 H+ + 2 oxygen + zeaxanthin → 2 H2O + 2 NAD(P)+ + violaxanthin
2 oxygen + 4 a reduced ferredoxin [iron-sulfur] cluster + 4 H+ + zeaxanthin → 2 H2O + 4 an oxidized ferredoxin [iron-sulfur] cluster + violaxanthin
antheraxanthin + NAD(P)H + H+ + oxygen → violaxanthin + H2O + NAD(P)+
Reversible reaction (1)
2 L-ascorbate + 2 H+ + violaxanthin ↔ 2 H2O + 2 L-dehydro-ascorbate + zeaxanthin