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Table 3 Average concentration (mean ± SD, n = 3, μg/g dry weight basis) of major, trace and toxic metals in ginger samples from Tepi, Bombae, Hadaro and Illubabur

From: Levels of essential and non-essential metals in ginger (Zingiber officinale) cultivated in Ethiopia

Metal Average concentration (mean ± SD, n = 3, μg/g dry weight basis)
Tepi ginger Bombae ginger Hadaro ginger Illubabur ginger
Ca 2000 ± 47 2540 ± 93 2190 ± 24 2490 ± 41
Mg 2990 ± 9 2700 ± 57 2760 ± 11 4090 ± 105
Cu 4.78 ± 0.34 1.86 ± 0.18 2.53 ± 0.19 1.10 ± 0.05
Zn 55.2 ± 3.9 39.6 ± 0.5 38.5 ± 0.5 54.0 ± 2.7
Mn 385 ± 9 285 ± 4.3 184 ± 3.6 401 ± 12
Ni 5.61 ± 0.44 5.46 ± 0.48 6.78 ± 0.53 8.40 ± 0.32
Fe 44.2 ± 3.3 55.4 ± 5.0 41.8 ± 2.8 89.0 ± 6.1
Co 7.58 ± 0.46 5.68 ± 0.40 2.04 ± 0.14 2.18 ± 0.18
Cr 9.28 ± 0.61 6.02 ± 0.14 9.17 ± 0.62 10.8 ± 0.2
Cd 0.97 ± 0.08 0.38 ± 0.02 0.38 ± 0.02 0.70 ± 0.07
Pb ND ND ND ND
  1. ND: Concentration of the tested heavy metal was below the method detection limit.