flavuxanthin + AH2 + diphosphate => nonaflavuxanthin + dimethylallyl diphosphate + A + H2O
flavuxanthin + ah2 + diphosphate => nonaflavuxanthin + dimethylallyl diphosphate + a + h2o
flavuxanthin + AH2 + diphosphate => nonaflavuxanthin + dimethylallyl diphosphate + A + H2O
flavuxanthin + ah2 + diphosphate => nonaflavuxanthin + dimethylallyl diphosphate + a + h2o