Table 2.

Acrylamide concentration (µg/kg) reported by different international studies for the food groups analysed in the present study.

Food Groups	Acrylamide (µg/kg)	Analytical Methodology	Origin	Literature Reference
Potato-based food
Chips	63–799	GC-MS/MS	Restaurant	[27]
	152–1023	GC-TOF-MS	Restaurant	[18]
	151–505	GC-TOF-MS	Institutional caterers	[18]
	150–392	GC-TOF-MS	Chain fast food service	[18]
	291–970	LC-ESI-MS/MS	Restaurant	[28]
	1590–2390	LC-ESI-MS/MS	Household	[28]
	201	n.i.	Data submitted by food associations	[4]
	332	n.i.	Data submitted by European countries	[4]
	20–1330	n.i.	Household	[29]
	190–1090	n.i.	Restaurant	[29]
	418	LC-MS/MS	Restaurant	[15]
	206	LC-MS/MS	Household	[15]
	27–4200	LC-ESI-MS/MS	Household	[12]
	20–4000	LC-ESI-MS/MS	School canteen	[17]
	187	LC-ESI-MS	Local markets	[16]
	36–1411	HPLC-DAD	Street vendors	[30]
Spanish omelette	135	LC-MS/MS	n.i.	[19]
	240 a	LC-ESI-MS	Supermarkets	[22]
	128 a	LC-ESI-MS	Catering	[20]
	151	HPLC-DAD	School canteen	[21]
Cereal-based food
Torrijas	16 a	LC-ESI-MS	Collective catering	[20]
Sponge cake	<30	LC-MS/MS	Supermarkets	[31]
Food based on cereal mix with meat, fish or vegetables
Breaded fillet	19	n.i.	n.i.	[32]
	40	LC-ESI-MS/MS	Restaurant/school canteen	[33]
	451	GC-MS	Local supplier (market)	[34]
Ham and cheese fillet	32	LC-ESI-MS/MS	Restaurant/school canteen	[33]
Croquettes	285–420	RP-HPLC	Supermarkets	[35]
	36	LC-ESI-MS/MS	Restaurant/school canteen	[33]

n.i.: not indicated. ^a Measured in kg of dry matter. GC-TOF-MS: gas chromatography time-of-flight mass spectrometry; LC-ESI-MS/MS: liquid chromatography electrospray ionisation tandem mass spectrometry; GC-MS/MS: gas chromatography tandem mass spectrometry; LC-MS/MS: liquid chromatography tandem mass spectrometry; HPLC-DAD: high-performance liquid chromatography coupled with diode array detection; RP-HPLC: reversed-phase high-performance liquid chromatography.