8-hydroxyarctigenin isolated from safflower sprouts inhibits melanogenesis of melan-a cells and light quality during the sprout growth determines the compound yield - Moon-Sik Chang; Uk-Sun Jung; Sun Mi Lee; Tae Gyu Nam; Jong Il Park; Myeong-Hwa Kang; Dae-Ok Kim; Jae Sung Hwang; Seok Hyun Eom (Horticulture, Environment, and Biotechnology, 2014)