(3R)-2'-hydroxyisoflavanone reductase (NADP+) activity
(3r)-2'-hydroxyisoflavanone reductase (nadp+) activity
Catalysis of the reaction: a (3R,4R)-4,2'-dihydroxyisoflavan + NADP+ = a (3R)-2'-hydroxyisoflavanone + H+ + NADPH.