A High-Performance Liquid Chromatography:Chemiluminescence Method for Potential Determination of Vardenafil in Dietary Supplement

Table 3

Oral liquid, wine, and capsule vardenafil analysis and recovery tests results.

Sample; Lot No.	Vardenafil	Added; 10^−5 mol/L	Found; 10^−5 mol/L	RSD^c; %	Recovery^c; %
Oral liquid; 22070818	ND^a	2.0	1.93	2.2	96.5
		3.0	2.89	4.2	96.3
		4.0	4.27	1.5	106.8
Wine; 37263579	ND^a	2.0	2.11	4.3	105.5
		3.0	2.96	0.1	98.7
		4.0	3.82	1.5	95.5
Capsule; 071518	ND^a	29.0^b	28.81^b	5.3	99.3
		58.0^b	58.31^b	4.6	100.5

^aNot Detected
^bmg/tablelet
^cn = 5