Table 3.

Comparison of macro and microminerals in quinoa leaves with quinoa grains and other plants (dry weight of the sample).

Minerals	Leaves	QuinoaGrain	Maize a	Wheat a	Spinach Leaves b
Macroelements 1
Calcium	2.79 ± 0.28	0.18 ± 0.03 **	0.02 **	0.05 **	0.08 **
Phosphorus	0.63 ± 0.25	0.32 ± 0.07 *	0.29 *	0.47 *	0.08 **
Magnesium	2.26 ± 0.23	0.16 ± 0.08 **	0.14 **	0.17 **	NR
Potassium	4.74 ± 0.21	0.33 ± 0.12 **	0.34 **	0.58 **	0.20 **
Sodium	0.05 ± 0.01	0.02 ± 0.12 *	0.01 *	0.01 *	0.06 *
Microelements 2
Copper	8.00 ± 0.50	0.60 ± 0.10 **	NR	7 *	0.000005 **
Iron	483.00 ± 1.00	7.80 ± 1.31 **	21 **	38 **	0.006 **
Manganese	38.00 ± 1.00	1.00 ± 0.50 **	5 *	39	NR
Zinc	204.00 ± 2.00	3.30 ± 0.52 **	29 **	47 **	NR

Mean ± standard deviation (n = 3). ¹ Expressed as g/100 g. ² expressed as mg/kg. NR: not reported; ** highly significant; * significant; ^a Data according Koziol (1992); ^b Data according Hanif et al. (2006) [17].