A 90-day oral toxicity study of purple corn color, a natural food colorant, in F344 rats.
Nabae K, Hayashi SM, Kawabe M, Ichihara T, Hagiwara A, Tamano S, Tsushima Y, Uchida K, Koda T, Nakamura M, Ogawa K, Shirai T.
Nabae K, et al.
Food Chem Toxicol. 2008 Feb;46(2):774-80. doi: 10.1016/j.fct.2007.10.004. Epub 2007 Oct 10.
Food Chem Toxicol. 2008.
PMID: 18031897