“…Effective sample pretreatment is an important means to avoid food matrix interference and improve detection sensitivity. 13,14 In recent years, commonly used pretreatment methods mainly include liquid–liquid extraction (LLE), 15 solid-phase extraction (SPE), 16 solid-phase microextraction (SPME), 17 magnetic solid-phase extraction (MSPE), 18 etc. LLE has a wide range of applications, but it requires large amounts of organic solvents and is a labor-intensive process.…”