A quick and inexpensive sample treatment, based on a singlestep
microextraction with a SUPRAS made up of vesicles of octanoic
acid, has been developed for the determination of PAH4 in
foodstuffs belonging to different categories (smoked meat and fish,
bivalve mollusks, and processed cereal-based food for infants) and
featuring fat (0.3–12.1%), protein (2.5–18.5%) and carbohydrate
(