Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor
BRITE hierarchy

taxifolin,NAD(P)H:oxygen oxidoreductase (8-hydroxylating)

taxifolin + NAD(P)H + H+ + O2 = 2,3-dihydrogossypetin + NAD(P)+ + H2O [RN:R03637 R03638]

R03637 R03638
Reaction

taxifolin [CPD:C01617];
NADH [CPD:C00004];
NADPH [CPD:C00005];
H+ [CPD:C00080];
O2 [CPD:C00007]

A flavoprotein, converting a flavanol into a flavanone. Also acts on fustin, but not on catechin, quercetin or mollisacidin.

EC 1.14.13.19 created 1976

1  [PMID:4146277]

Jeffrey AM, Knight M, Evans WC.

The bacterial degradation of flavonoids. Hydroxylation of the A-ring of taxifolin by a soil pseudomonad.

Biochem J 130:373-81 (1972)
DOI:10.1042/bj1300373