Research Article

Cadmium, Chromium, and Lead Uptake Associated Health Risk Assessment of Alternanthera sessilis: A Commonly Consumed Green Leafy Vegetable

Table 3

The mean Cr, Cd, and Pb concentrations recorded from roots of Alternanthera sessilis sampled from non-organic and organic cultivations. Results are presented as mean ± SD. In each row, the mean values with different superscript letters are significantly different from each other (ANOVA, Tukey’s test, , N = 80).

Mean concentration (roots) mg/kg dry weight
Non-organic cultivation sitesOrganic cultivation sites
MetalDry seasonRainy seasonDry seasonRainy season

Pb4.72 ± 0.55b4.94 ± 1.54b1.53 ± 0.11a1.93 ± 0.42a
Cr17.875 ± 3.29b18.86 ± 1.96b6.33 ± 1.71a6.86 ± 1.17a
Cd1.98 ± 0.72b1.98 ± 0.03b0.48 ± 0.01a0.34 ± 0.09a