• Ovalioglu Aysegul Ozdemir AO Department of Neurosurgery, Bakirkoy Research and Training Hospital for Neurology, Neurosurgery and Psychiatry, Istanbul, Turkey., Talat Cem Ovalioglu, Sema Arslan, Gokhan Canaz, Aysegul Esen Aydin, Mehmet Sar, and Erhan Emel.
• Department of Neurosurgery, Bakirkoy Research and Training Hospital for Neurology, Neurosurgery and Psychiatry, Istanbul, Turkey.
• World Neurosurg. 2020 Feb 1; 134: e822-e825.

ObjectiveErythrosine (E127), a synthetic food dye containing iodine and sodium, has often been used inside packaged foods and beverages in Turkey and many other countries. We evaluated the effects of erythrosine on neural tube development in early-stage chicken embryos.MethodsThe study included 4 groups, with a total of 80 embryos: a control group, a normal saline group, a half-dose group, and a high-dose group. After 30 hours of incubation, saline and erythrosine solution was injected under the embryonic discs. At the end of 72 hours, the embryos were excised and evaluated macroscopically and histopathologically.ResultsNeural tube defects were detected in the erythrosine-administered groups with statistically significant differences. In contrast, the embryos in the control and saline groups displayed normal development.ConclusionsErythrosine increased the risk of neural tube defects in early-stage chicken embryos, even at half of the approved dose.Copyright © 2019. Published by Elsevier Inc.

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