Research Article

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

Table 4

Summary of results for assessment of exposure to Pb and Cd.

Q (kg/day)Ce (mg/kg) BW (kg) DED (mg/kg/day)
DED total (mg/kg/day)DQ
ChildAdultChildAdultChildadultChildAdult

Lead0.371.82520653.376
10−2
2.105
10−2
3.6
10−2
1.118
10−2
10.103.10
Cadmium0.0621.14
10−3
0.71
10−3
1.52
10−3
0.46
10−3
1.520.46

DED: daily dose of exposure; Total DED: daily dose of total exposure; Q: mean quantity of herbal tea consumed by a child; Ce: average concentration of lead or cadmium measured in Senna rotundifolia L.; BW: body weight of the consumer; DQ: danger quotient.