Table 1.

Trace elements contents of the four plants (µg/kg).

Elements	Lycium shawii	Anabasis articulata	Rumex vesicarius	Zilla spinosa
Fe	12.33 ± 4.16	24.33 ± 2.08	16.67 ± 2.31	93.47 ± 1.16
Cu	10.34 ± 2.11	13.67 ± 0.50	10.96 ± 0.93	10.44 ± 0.95
Mn	28.53 ± 0.42	39.1 ± 0.85	96.03 ± 1.04	34.8 ± 0.36
Co	15.67 ± 4.07	14.07 ± 1.31	18.0 ± 3.55	12.23 ± 2.07
Zn	12.93 ± 1.34	44.63 ± 0.40	109 ± 0.00	10.52 ± 1.10
Mg	1163 ± 9.17	1272 ± 18.52	1250 ± 20.0	1191 ± 10.14