1. Validation of a Method for Quantification of Lutein in Spinach Using High-Performance Liquid Chromatography: Interlaboratory Study. (19th April 2020) Authors: Sonoda, Takefumi; Hiejima, *Yusuke; Koiwa, Tomohiro; Asano, Masahiro; Kotake, Eiichi; Yasui, Akemi Journal: Journal of AOAC International Issue: Volume 103:Number 4(2020) Page Start: 1073 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗