Riboflavin undergoes photodecomposition with resulting production of free radical containing products.

黄素，经光解作用而生成含有自由基的产物。

FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.

黄素单（FMN）：黄素的衍生物，在电子传递反应是一种酶，作为多种脱氢酶的助子起作用。