Metal Content in Dandelion (Taraxacum officinale) Leaves: Influence of Vehicular Traffic and Safety upon Consumption as Food

Table 3

Mean, median, and ranges of total concentrations (mg/kg) in Taraxacum officinale (samples 1–12) and reference values [14] for the average metal content in Taraxacum officinale leaves in rural “R” and industrial “I” areas.

Sample	Cd	Cr	Cu	Fe	Mn	Pb	Zn
Mean	0.19	2.85	12.2	378	50.1	0.62	42.4
Median	0.18	1.54	11.3	258	42.6	0.50	36.0
Range	0.09–0.39	<0.4–16.4	5.05–28.8	69.5–2,632	29.2–170	0.23–2.27	21.4–70.6
“R” range	0.3–1.0	0.2–2.4	5.2–20	70–644	14–206	0.8–6.4	21–84
“I” range	0.2–5.0	0.2–4.8	4.0–21.6	96–720	18–142	1.6–10	22–230