Background:

trans-Aconitic acid is present in normal human urine, and it has been suggested that is present in larger amounts with Reye's syndrome and organic aciduria. trans-Aconitic acid is a substrate of enzyme trans-aconitate 2-methyltransferase.

参考文献:
[1]. Montoya G, et al. Quantitation of trans-aconitic acid in different stages of the sugar-manufacturing process. J Agric Food Chem. 2014 Aug 20;62(33):8314-8.