Skip to main content
. 2016 Dec 1;7(4):532–537. doi: 10.1016/j.jtcme.2016.08.005

Table 1.

Heavy metal content in stem and root powders of Inula cuspidata.

Heavy metals Standard value (ppm) Observed value (ppm) in I. Cuspidata
Stem powder Root powder
As 3 0.22 ± 0.021 0.15 ± 0.02
Cd 0.3 0.07 ± 0.015 0.1 ± 0.018
Pb 10 1.61 ± 0.072 3.4 ± 0.062
Hg 1 0.25 ± 0.05 0.12 ± 0.04

Values are expressed as mean ± SD, n = 3.