Dietary Intake of Metals from Fresh Cage-Reared Hens’ Eggs in Tenerife, Canary Islands

Table 1

Reference metals and recovery study of the analyzed metals.

Metal	Material	Certified concentration	Obtained concentration	Recovery study%
Na	SRM 1515 apple leaves			99.6
	SRM 1548a typical diet	8132 ± 942		98.4
	SRM 1567a wheat flour	6.1 ± 0.8		99.2
K	SRM 1515 apple leaves	1.61 ± 0.02		97.8
	SRM 1548a typical diet	6970 ± 125		98.4
	SRM 1567a wheat flour	0.133 ± 0.003		99.3
Ca	SRM 1515 apple leaves	1.53 ± 0.02		102.3
	SRM 1548a typical diet	1967 ± 113		99.7
	SRM 1567a wheat flour	0.02 ± 0.00		101.4
Mg	SRM 1515 apple leaves	0.27 ± 0.01		98.1
	SRM 1548a typical diet	580 ± 26.7		97.7
	SRM 1567a wheat flour	0.04 ± 0.00		102.6
Fe	SRM 1515 apple leaves	80.0 ± 0.0		99.5
	SRM 1548a typical diet	35.3 ± 3.77		101.3
	SRM 1567a wheat flour	14.1 ± 0.5		98.9
Mn	SRM 1515 apple leaves	54.0 ± 3.0		101.5
	SRM 1548a typical diet	5.75 ± 0.17		99.3
	SRM 1567a wheat flour	9.4 ± 0.9		102.4
Cu	SRM 1515 apple leaves	5.6 ± 0.24		98.9
	SRM 1548a typical diet	2.32 ± 0.16		100.7
	SRM 1567a wheat flour	2.1 ± 0.2		99.7
Zn	SRM 1515 apple leaves	12.5 ± 0.3		101.9
	SRM 1548a typical diet	24.6 ± 1.79		98.7
	SRM 1567a wheat flour	11.6 ± 0.4		102.7
Cr	SRM 1515 apple leaves	0.30 ± 0.00		97.8
Mo	SRM 1515 apple leaves	0.09 ± 0.01		99.4
	SRM 1548a typical diet	0.26 ± 0.02		98.6
	SRM 1567a wheat flour	0.48 ± 0.03		99.6
Co	SRM 1515 apple leaves	0.09 ± 0.00		101.5
	SRM 1567a wheat flour	0.006 ± 0.00		102.4
B	SRM 1515 apple leaves	27.0 ± 2.0		99.9
	SRM 1548a typical diet	4.16 ± 0.04		101.8
Ba	SRM 1548a typical diet	1.10 ± 0.10		102.5
Sr	SRM 1515 apple leaves	25.0 ± 2.0		98.3
	SRM 1548a typical diet	2.93 ± 0.10		99.2
Ni	SRM 1515 apple leaves	0.91 ± 0.12		100.6
	SRM 1548a typical diet	0.37 ± 0.02		102.3
V	SRM 1548a typical diet	0.26 ± 0.03		100.6
	SRM 1567a wheat flour	0.011 ± 0.00		99.4
Al	SRM 1515 apple leaves	286 ± 9		99.7
	SRM 1548a typical diet	72.4 ± 1.52		98.3
	SRM 1567a wheat flour	5.7 ± 1.3		99.2
Pb	SRM 1515 apple leaves	0.47 ± 0.02		100.3
	SRM 1548a typical diet	0.044 ± 0.000		98.9
	SRM 1567a wheat flour	<0.02	<0.02	99.5
Cd	SRM 1515 apple leaves	0.014 ± 0.00		99.3
	SRM 1548a typical diet	0.035 ± 0.015		102.2
	SRM 1567a wheat flour	0.026 ± 0.002		98.4