matairesinol noun1 •A plant lignan that occurs with secoisolariciresinol in numerous foods such as oil seeds, whole grains, vegetables, and fruits.To examine the specificity of the effect of red LED on the lignan production in U18i-CPi-Fk, we compared accumulation of pinoresinol aglycone and matairesinol aglycone in the F. — 2015