Table 4: Elemental composition of quinoa grain (mg kg-1) as compared to wheat grain of Madinat al-Hikmah.

Plant Samples Cd
Mean ± SD
Cu
Mean ± SD
Fe
Mean ± SD
K
Mean ± SD
Na
Mean ± SD
Pb
Mean ± SD
Zn
Mean ± SD
Orange Panicle 0.057±0.0006 0.153±0.0297 1.559±0.1423 18.98±0.008 18.95±0.541 0.138±0.0390 0.900±0.0102
Red Panicle 0.060±0.0004 0.020±0.0502 BDL 19.08±0.033 21.50±0.298 0.114±0.0299 1.649±0.0040
White Panicle 0.065±0.0005 0.371±0.0022 1.058±0.0047 19.03±0.007 20.94±0.412 BDL 1.150±0.0083
Quinoa Leave 0.072±0.0017 0.611±0.0038 14.940±0.1440 49.81±0.002 25.67±0.028 0.891±0.0155 3.560±0.0684
Seed 0.049±0.0012 0.137±0.0059 0.942±0.1703 18.91±0.001 13.09±1.761 0.038±0.0717 0.738±0.0040
Wheat 0.069±0.0014 0.453±0.0138 1.528±0.0182 19.02±0.011 22.53±0.220 BDL 2.586±0.0248
Field Soil 0.104±0.0018 0.317±0.0058 39.580±0.1540 47.44±0.002 24.22±0.226 1.879±0.0248 0.300±0.0010

SD = Standard Deviation, BDL = Below Detection Limits