Analysis of 4-Methylimidazole in Caramel Color and Study of High-Speed Analysis

Introduction

Caramel color is a type of food additive that is used in a variety of food products to give those products a brown coloration. Caramel color is manufactured by heating saccharides such as sugar or glucose, but it also contains 4-methylimidazole as a byproduct formed in the manufacturing process. Animal experiments carried out by the National Toxicology Program (NTP) in the United States have revealed that 4-methylimidazole is highly carcinogenic, and based on that result, the International Agency for Research on Cancer (IARC) has classified the compound as a carcinogenic hazard in an IARC Monograph. Against this backdrop, the EU and United States have established regulations on the allowable content of 4-methylimidazole in caramel color, and the State of California has set a limit on its daily intake. In this article, we introduce an example of an analysis of 4- methylimidazole in cola by using the Shimadzu Nexera-i^TM MT.

December 17, 2019 GMT