Overview
This page is a scaffolded entry for HMTc Taxonomy v2.0 Category 11 (Meat, Poultry, and Eggs), Row 6: Eggs. Studies for this row are still being read. Where a section is empty, the row has not yet accumulated contributing sources of the required kind.
Reading guide
Legal, regulatory and retailer teams can use the cited measurements, applicable limits and study limitations to assess the evidence for this category.
Quality teams can examine product form, measurement basis and sources of variation. Journalists and researchers can follow each reference to the original findings and methods.
Related tools and pages: heavymetalcertified.com · methodology
Evidence summary
Evidence summary
The table below summarizes what the peer-reviewed and government literature cited on this page reports for heavy-metal concentrations in Eggs. Values are pulled directly from cited sources without re-aggregation. This page publishes literature evidence only, not certification thresholds.
Methodology rules for speciation, basis preservation, non-detect handling, and source pooling are stated in the Methodology section above and apply to every row below.
| Analyte | Subcategory | Reported concentration range | Detection rate | Applicable regulatory cap | Sources | Confidence | Basis |
|---|---|---|---|---|---|---|---|
| iAs | Eggs (no contributing evidence loaded) | No concentration data loaded for this analyte | Sample-level detection rate not reported | No applicable cap loaded | 0 | data gap | Basis not reported |
| Al | Eggs (no contributing evidence loaded) | No concentration data loaded for this analyte | Sample-level detection rate not reported | No applicable cap loaded | 0 | data gap | Basis not reported |
| Sn | Eggs (no contributing evidence loaded) | No concentration data loaded for this analyte | Sample-level detection rate not reported | No applicable cap loaded | 0 | data gap | Basis not reported |
Source Evidence Inventory
Sources for this row will be listed here once they are catalogued.
Supporting evidence and scope
Broader-scope sources for this row will be listed here when they are catalogued.
Federal/Regulatory Limits vs Field Findings
Regulatory limits for this row will be listed here once they are catalogued.
Controls and mitigation
Practical interventions to reduce heavy-metal load in this row, ordered by impact magnitude. Each lever names the magnitude of the effect with a cited source; cross-links to dedicated Mitigation pages where they exist.
- Sourcing levers — Not yet catalogued.
- Agronomic levers — Not yet catalogued. (See Agronomic mitigation for general agronomic mitigation context.)
- Processing levers — Not yet catalogued. (See Processing mitigation.)
- Formulation levers — Not yet catalogued. (See Formulation mitigation.)
- Testing and QC levers — Not yet catalogued. (See Testing and quality-control mitigation when published.)
- Packaging and storage levers — Not yet catalogued. (See Packaging and storage mitigation when published.)
How standards math uses this page
HMT&C certification thresholds for this row are developed under the certification program at heavymetalcertified.com, not on this page. The row-standard for this row is an aggregate computed from the contributing source pool in the row’s native finished-product basis; it is not a per-source decoration of any single value cited on this page. This public page reports literature evidence only.
Historical recalls and enforcement
Public regulatory events for this row, such as recalls and import alerts, will be listed here as they are catalogued.
Methodology
This page reports what the cited sources say about heavy-metal concentrations in eggs. Speciation is non-substitutable (iAs vs tAs, MeHg vs tHg, Cr-VI vs total Cr). Basis is preserved (finished-product as sold unless the source specifies otherwise; see each row for the basis label). Non-detect handling follows each source’s reporting convention. Pooling is avoided across LOD/LOQ, period, geography, and analytical-basis differences. HMT&C certification thresholds for products in this row are developed under the certification program at heavymetalcertified.com, not on this page; this public page reports literature evidence only.
The applicable regulatory jurisdictions for this row are: FDA, USDA (meat/poultry inspection), EU, Codex.
Sources
Sources for this row will be listed here once they are catalogued.
Sources
Source records associated with this topic. Inclusion does not establish that every finding applies to this product or ingredient. References above identify works cited in the text.
| # | Citation | Year | Type | Used on this page for |
|---|---|---|---|---|
| 1 | Li et al. 2026. Heavy metal concentrations in Chinese chicken eggs: insights from comparative study of urban and mining areas, PeerJ | 2026 | Peer-reviewed | CN Cr, tAs, Cd, Pb, Ni occurrence in 70 free-range eggs from 4 non-mining cities and 3 mining areas (Wuchuan mercury mine, Danzhai mercury mine, Emin… (n=90) |
| 2 | Cosmas et al. 2024. An evaluation of the health risks, antibiotic residue levels and potentially toxic ingredients in Nigerian poultry products, International Journal of Agricultural Invention | 2024 | Peer-reviewed | NG tAs, Pb, Cd occurrence in Broiler muscle, gizzard, yolk, and albumen samples from four poultry farms in Nigeria (n=36) |
| 3 | Guerrini et al. 2024. Content of Toxic Elements (Arsenic, Cadmium, Mercury, Lead) in Eggs from an Ethically Managed Laying Hen Farm, Animals | 2024 | Peer-reviewed | IT tAs, Cd, tHg, Pb occurrence in 141 eggs from 5 hen genotypes at a rural ethical farm in Puglia, Italy; 60 organic supermarket eggs… (n=201) |
| 4 | Bazzaz et al. 2023. Determination of some heavy metals resides in different types of poultry production, Tikrit Journal for Agricultural Sciences | 2023 | Peer-reviewed | IQ Cu, tAs, Pb occurrence in Imported and local poultry products consumed in Erbil city, including chicken thigh, chicken breast, quail meat, and quail… |
| 5 | Iqbal et al. 2023. Evaluation of Heavy Metals Concentration in Poultry Feed and Poultry Products, Saudi Journal of Medical and Pharmaceutical Sciences 9(7): 489-495 | 2023 | Peer-reviewed | PK Pb, Cd, Cr, tHg, Fe occurrence in 6 solid feeds, 6 liquid feeds (water), 33 livers (composite from 6 farms), 33 breast muscles (composite), 33… (n=39) |
| 6 | Rokanuzzaman et al. 2022. Assessment of Heavy Metals and Trace Elements in Eggs and Eggshells of Gallus gallus domesticus, Coturnix coturnix and Anas platyrhynchos from Bangladesh, Saudi Journal of Biomedical Research | 2022 | Peer-reviewed | BD Pb, Cd, Cr, Cu, Fe, Zn occurrence in Five egg-content samples and five eggshell samples collected from the Jahangirnagar University area of Savar, Bangladesh, covering indigenous… (n=10) |
| 7 | Wang et al. 2020. Contamination and health risk assessment of lead, arsenic, cadmium, and aluminum from a total diet study of Jilin Province, China, Food Science & Nutrition | 2020 | Peer-reviewed | CN Pb, tAs, Cd, Al occurrence in Jilin Province total-diet-study composites across 12 food groups and 48 product groups, with consumption inputs for 7700 residents… |
| 8 | Wang et al. 2019. Dietary Lead Exposure and Associated Health Risks in Guangzhou, China, International Journal of Environmental Research and Public Health | 2019 | Peer-reviewed | CN Pb occurrence in Food safety risk monitoring samples from Guangzhou, China, collected during 2014-2017 across 27 food categories; consumption inputs came… (n=6339) |
| 9 | Mahbub et al. 2018. Detection of heavy metals in poultry feed, meat and eggs, Asian-Australasian Journal of Food Safety and Security | 2018 | Peer-reviewed | BD Cr, Pb, tAs occurrence in Poultry feed, meat, and egg samples from major poultry-producing areas of Bangladesh |
| 10 | Baxter et al. 2015. Total Diet Study of metals and other elements in food, Food and Environment Research Agency report for the UK Food Standards Agency, Fera report 15/06, project FS102081 | 2015 | Government report | GB Al, Sb, tAs, iAs, Ba, Cd, Cr, Cu, Pb, Mn, tHg, Mo, Ni, Pd, Pt, Sn, Tl, Zn occurrence in 3312 retail food samples from 24 UK locations, combined into 138 prepared-as-consumed food-category composites and 28 food-group composites (n=3312) |
| 11 | Islam et al. 2015. The concentration, source and potential human health risk of heavy metals in the commonly consumed foods in Bangladesh, Ecotoxicology and Environmental Safety | 2015 | Peer-reviewed | BD Cr, Ni, Cu, tAs, Cd, Pb occurrence in Commonly consumed meat, egg, fish, milk, vegetable, cereal, and fruit foods collected from agriculture fields, farms, river, and… |
| 12 | Uneyama et al. 2007. Arsenic in various foods: Cumulative data, Food Additives & Contaminants | 2007 | Peer-reviewed | JP/US/GB tAs, iAs occurrence in Cumulative review of arsenic measurements in food from PubMed, Japanese local-authority research databases, and national food-safety surveillance reports;… |
Update history
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