AOAC SPIFAN Stakeholder Program Meeting Book (March 14, 2023)

Method comparison study in 2021-Carnitine Methods • AOAC 2015.10/ISO 21468 • Draft GB 29989 (three alternative methods)

Discussion • The test scope of the GB method. • The necessity of using LC-MS/MS in the 3rd GB method. • Comparability of 3 approaches listed in the GB. • The possibility of combination of L-carnitine and choline methods. Progress • AOAC 2015.10 (carnitine) is adopted as one of GB methods. • The GB draft was approved at the 1st GB expert review meeting.