Determination of 60 Food-Borne Stimulant Drug Residues in Animal-Derived Foods by Solid-Phase Extraction Purification and Ultra-High-Performance Liquid Chromatography-Quadrupole/Orbitrap High-Resolution Mass Spectrometry

Table 4

Detection results for beef sample, mutton sample, and pork sample (n = 2).

Sample	Number	Compound	Number of positive samples	Content range (μg/kg)
Beef	50	Hydrocortisone	6	2.2∼5.0
		Cortisone	2	1.5∼2.9
Mutton	50	Hydrocortisone	3	2.4∼3.9
		Cortisone	1	0.6
Pork	50	Hydrocortisone	8	3.4∼10.5
		Cortisone	6	0.6∼3.8
		Testosterone	3	0.4∼1.4