Lee, Y. R., Li, X., & Row, K. H. (2016). Isomer Separation of trans-Astaxanthin, 9-cis-Astaxanthin and 13-cis-Astaxanthin by Ligand Exchange Chromatography. Asian Journal of Chemistry, 28(6), 1185–1190. https://doi.org/10.14233/ajchem.2016.19547