Compound as reactive (1)
(-)-secoisolariciresinol + NAD+ → NADH + (3R,4R)-3,4-bis(4-hydroxy-3-methoxybenzyl)tetrahydro-2-furanol + H+
Compound as product (1)
(-)-secoisolariciresinol + NADP+ ← NADPH + (+)-lariciresinol + H+
Reversible reaction (1)
2 NAD+ + (-)-secoisolariciresinol ↔ 2 NADH + 2 H+ + (-)-matairesinol