UPLC-MS/MS Method for Simultaneous Determination of Three Major Metabolites of Mequindox in Holothurian

Table 2

SPE purification efficiency of MCX, MAX, and HLB cartridges for target analytes.

SPE cartridge	Recovery (%)
	1-DMEQ	BDMEQ	MQCA
MCX	3.21%	4.23%	2.38%
MAX	88.31%	92.58%	99.63%
HLB	42.38%	36.54%	38.82%