Simultaneous Determination of Amphenicols and Metabolites in Animal-Derived Foods Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry

Table 1

Comparison of the MRLs for amphenicols in China, the US, and the EU.

Analyte	Species	Target tissue	MRL (μg/kg)
			China	US	EU
TAP	All species	All tissues	50		50
FF (sum of FF and FFA)	Porcine	Muscle	300	200	300
		Skin and fat	500		500
		Liver	2000	2500	2000
		Kidney	500		500
	Bovine	Muscle	200	300	200
		Liver	3000	3700	3000
		Kidney	300		300
	Ovine caprine	Muscle	200		200
		Liver	3000		3000
		Kidney	300		300
	Poultry	Muscle	100		100
		Skin and fat	200		200
		Liver	2500		2500
		Kidney	750		750