Trace metal content of chicken eggs

Kirkpatrick, Diane; Coffin, D E

doi:10.1002/jsfa.2740260112

Cited by 37 publications

(16 citation statements)

References 25 publications

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“…Se levels for chicken egg were similar to those reported by a recent work of Pappa et al [19] in Greece and those reported in other European countries [20][21][22]. Our results comply partly with those of Kirkpatrick and Coffin [23] who have measured the content of chicken eggs in ten trace minerals through the use of flame atomic absorption spectroscopy. In our study, Cu values were double; Zn and Mn values were higher, while Cr and Cd values were similar to the values reported by the previous study.…”

Section: Discussionsupporting

confidence: 95%

Variation in Trace Element Contents Among Chicken, Turkey, Duck, Goose, and Pigeon Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Nisianakis¹,

Giannenas

Gavriil

et al. 2008

Biol Trace Elem Res

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Despite substantial interest in the trace element content of eggs by poultry breeders, nutritionists, and environmental scientists, available data about trace elements levels in eggs are scarce. Trace element contents in yolk and albumen of chicken, turkey, duck, goose, and pigeon eggs were analyzed to establish a baseline dataset and assess differences among trace element content in avian species. We measured the selenium (Se), zinc (Zn), manganese (Mn), cobalt (Co), copper (Cu), molybdenum (Mo), vanadium (V), chromium (Cr), nickel (Ni), arsenic (As), cadmium (Cd), and thallium (Tl) contents in both yolk and albumen by inductively coupled plasma mass spectrometry. One hundred twenty eggs deriving from 24 birds of each species, reared in the same poultry farm in northern Greece, were used; bird feed was common and based on cereals and legumes and contained no added vitamins or microminerals. Trace element contents in yolks were far higher than those in albumen, except for V and Ni. In yolks, the highest content for Se, Mo, and Tl were in pigeon eggs, for Zn, Mn, Cu, and Cr in turkey eggs, and for Co and Ni in goose eggs. In albumen, Se was highest in duck eggs, while Zn, Mn, and Co in pigeon ones. It is concluded that there is a substantial, up to threefold, variation for trace element contents in eggs among different domestic avian species offered the same feed.

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Section: Discussionsupporting

confidence: 95%

Variation in Trace Element Contents Among Chicken, Turkey, Duck, Goose, and Pigeon Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Nisianakis¹,

Giannenas

Gavriil

et al. 2008

Biol Trace Elem Res

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“…Previous reports have described low amounts of Cd accumulation in eggs (Ishizaki et al, 1970;Kirkpatrick & Coffin, 1975). Leach et al (1979) demonstrated that the Cd content in eggs i s very low after oral administration of Cd.…”

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confidence: 97%

Restriction of Cadmium Transfer to Eggs From Laying Hens Exposed to Cadmium

Sato

Okabe

Emoto

et al. 1997

Journal of Toxicology and Environmental Health

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The transfer of Cd to eggs of white Leghorn laying hens has been shown to be restricted. After Cd was injected ip into laying hens, the Cd concentrations in the blood, livers, ovaries, and eggs were measured. Although the Cd concentrations in the maternal blood and livers increased remarkably at certain levels of administrations, the Cd concentration in the yolks of eggs was not significantly increased, and was less than 0.04 pg/g wet weight. After egg production stopped in the highest injected group (7.5 mg Cd/kg), Cd in the yolks of eggs had an accumulated 'range of 0.02-0.03 pg/g wet weight. This was despite the high Cd accumulation in the liver. Furthermore, the Cd concentration in the follicle walls of the ovary increased and was 13-to 52-fold higher than in the follicle yolks. An additional experiment was conducted in order to estimate whether hatching success is affected by the Cd in the laid eggs of Cd-injected laying hens. The ratio of hatching success in the 0.3 or 1.2 pg Cd/egg-injected groups was similar to that in the salineinjected group, indicating that a small amount of Cd in the eggs might exert no marked influence on the hatching success. In conclusion, Cd transfer from laying hen to eggs was restricted after the maternal bird was exposed to Cd. Furthermore, Cd accumulates in the follicle walls of ovary. These results suggest that the follicle walls might play a role in p r e tecting the follicle yolks against Cd toxicity.

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“…However, no significant difference was observed in the mean concentrations of Ni in eggs from farms within the Asaba, Benin and Onitsha zones. Kirkpatrick and Coffin (1975) reported Ni levels ranging from not detected to 0.35 mg g À1 in eggs collected from the different regions of Canada. Van Overmeirer et al (2006) reported Ni levels ranging from 0.0017 to 0.085 mg g À1 in eggs from private and commercial farms in Belgium.…”

Section: Resultsmentioning

confidence: 96%

“…Van Overmeirer et al (2006) reported 9.74 and 11.5 mg g À1 as mean concentrations of Zn in eggs from private and commercial farms, respectively, in Belgium. Kirkpatrick and Coffin (1975) recorded Zn levels in the range of 10.7-18.4 mg g À1 in eggs from different localities in Canada. Average contents of 9.77-13.75 mg Zn g À1 have been reported (Zmudzki et al 1992;Dobrzanski et al 1999;Fakayode and Olu-Owolabi 2003).…”

Section: Resultsmentioning

confidence: 99%

Concentrations of selected metals in chicken eggs from commercial farms in Southern Nigeria

Iwegbue

Nwozo

Overah

et al. 2012

Toxicological & Environmental Chemistry

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This work presents the results of the determination of concentrations of the trace metals Ni, Zn, Mn, Pb, Cd, Cr, Co, Cu, and Fe in eggs from farms in Southern Nigeria. The mean concentrations (mg g À1 fresh weight) ranged from 0.6 to 1.2 for Ni, 3.1 to 8.9 for Zn, 0.45 to 0.65 for Mn, 0.4 to 1.2 for Pb, <0.09 to 0.3 for Cr, 0.1 to 0.3 for Cd, 0.26 to 0.34 for Co, 0.9 to 1.2 for Cu and 19.5 to 24.0 for Fe. The concentrations and estimated dietary intakes of these metals were below the respective statutory limits. The Target Hazard Quotient (THQ) values for the individual metals in all zones are less than 1, i.e., within safe levels. The combined THQ values for the different zones were greater than 1but less than 2, with a significant contribution of cobalt.

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Trace metal content of chicken eggs

Cited by 37 publications

References 25 publications

Variation in Trace Element Contents Among Chicken, Turkey, Duck, Goose, and Pigeon Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Variation in Trace Element Contents Among Chicken, Turkey, Duck, Goose, and Pigeon Eggs Analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Restriction of Cadmium Transfer to Eggs From Laying Hens Exposed to Cadmium

Concentrations of selected metals in chicken eggs from commercial farms in Southern Nigeria

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