ID 1.13.11.84 DE crocetin dialdehyde synthase. AN zeaxanthin 7,8-dioxygenase. CA all-trans-zeaxanthin + 2 O2 = 2 3beta-hydroxy-beta-cyclocitral + crocetin CA dialdehyde. CC -!- The enzyme, characterized from the plant Crocus sativus (saffron), CC acts twice, cleaving 3beta-hydroxy-beta-cyclocitral off each CC 3-hydroxy end group. CC -!- It is part of the zeaxanthin degradation pathway in that plant, CC leading to the different compounds that impart the color, flavor and CC aroma of the saffron spice. CC -!- The enzyme can similarly cleave the 7-8 double bond of other CC carotenoids with a 3-hydroxy-beta-carotenoid end group. CC -!- Formerly EC 1.14.99.42 and EC 1.14.99.n3. DR Q84K96, ZCD_CROSA ; //