Sanitary Risks Connected to the Consumption of Infusion from Senna rotundifolia L. Contaminated with Lead and Cadmium in Cotonou (Benin)

Table 2

Content of lead and cadmium in Senna rotundifolia L. in three markets.

	Lead (ppm)			Cadmium (ppm)
(WHO 1998)	0.3			0.2
Markets	Dantokpa	Godomey	Vossa	Dantokpa	Godomey	Vossa
Senna rotundifolia	1.711	2.302	2.833	0.055	0.345	0.589
	1.823	2.033	3.199	0.079	0.359	0.581
	1.677	1.644	2.226	0.078	0.298	0.592
	1.986	1.763	2.6	0.051	0.315	0.639
	1.928	1.768	2.807	0.047	0.323	0.514
Mean ± SD	1.825^a	1.902^a	2.733^b	0.062^a	0.328^b	0.583^c
	±0.133	±0.265	±0.356	±0.015	±0.024	±0.044