. 2011 Aug 12;51(1):34–42. doi: 10.1007/s13197-011-0481-2

Table 2.

Mineral concentrations of the three walnut cultivars

Minerals (mg/100 g)	Walnut cultivar			Significant level (P value)	Mean value
Minerals (mg/100 g)	Chaboksar	Toyserkan	Karaj	Significant level (P value)	Mean value
Calcium (Ca)	68.15 ± 0.25^c	75 ± 0.65^a	71 ± 0.92^b	0.015	71.38
Sodium (Na)	0.41 ± 0.07^a	0.30 ± 0.08^b	0.32 ± 0.1^b	0.002	0.34
Potassium (K)	280 ± 0.76^b	296 ± 0.51^a	277 ± 0.14^b	0.011	284.3
Magnesium (Mg)	71 ± 0.2^b	94 ± 0.68^a	74 ± 0.21^b	0.005	79.6
Iron (Fe)	3.07 ± 0.34^b	3.36 ± 0.91^a	2.41 ± 0.14^c	0.004	2.94
Zinc (Zn)	1.92 ± 0.44^c	2.65 ± 0.75^b	3.02 ± 0.23^a	0.003	2.53
Manganese (Mn)	2.43 ± 0.35	2.21 ± 0.07	2.35 ± 0.13	ns	2.33
Copper (Cu)	0.65 ± 0.04^b	1.11 ± 0.06^a	0.98 ± 0.02^a	0.002	0.91
Phosphorus (P)	289 ± 0.65^b	365 ± 0.36^a	303 ± 0.77^b	0.014	319

All data represent the mean of three replications

ns not significant

^{a, b, c} letters indicate the statistical difference in rows