piperitol synthase activity
Catalysis of the reaction: (+)-pinoresinol + reduced [NADPH--hemoprotein reductase] + O2 = (+)-piperitol + oxidized [NADPH--hemoprotein reductase] + 2 H2O + H+. Also catalyzes the synthesis of (+)-sesamin from (+)-piperitol.
GO:0016717
oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water
is_a