Isopropyl citrate is a food additive used to prevent food oxidation.
The confirmation test (2) for isopropyl citrate in the Japanese Standards for Food Additives (up to the 8th edition) was made using a precipitation reaction that required a reflux operation. But from the 9th edition this was changed to a GC method . In accordance with the new identification test (2) for isopropyl citrate described in the official formula, this application note demonstrates a test made using InertCap AQUATIC-2 a neutral polar capillary column, and the results were found to be excellent.