Contribution to the Detection of Poor Quality Sildenafil Drugs in Burkina Faso Using High-Performance Thin-Layer Chromatography

Table 9

Determination of sildenafil content in samples.

Channel type	Drug name and dosage	Recovery (%)			Compliance with Ph. Int. Specification (90–110%)
		Assay 1	Assay 2	Mean
Legal distribution chain	Asmoforce 50 mg	91.25	96.81	94.03	Compliant
	Erekta 50 mg	94.82	95.31	95.06	Compliant
	Plaevz 50 mg	89.34	93.69	91.51	Compliant
	Cupid 50 mg	96.26	93.22	94.74	Compliant
	Erector 50 mg	105.9	107.9	106.9	Compliant
Illegal distribution chain	Meinnah 120 mg	69.15	70.11	69.63	Noncompliant
	Yoga 100 mg	95.94	93.56	94.75	Compliant
	Kdgra 120 mg	66.93	67.55	67.24	Noncompliant
	Rygra 120 mg	86.81	102.8	94.80	Compliant
	Venegra 50 mg	112.6	112.9	112.7	Noncompliant
	Kdgra 150 mg	86.61	84.35	85.48	Noncompliant