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Heavy Metal Index
Canned tomatoes and fruit juice illustrating canned tomatoes ingredient context.

Heavy metals in Canned tomatoes

Lead, cadmium, total arsenic and total mercury in canned tomatoes: monitoring results, studies, references by form and basis, limits, testing and controls.

Quick read

Canned tomatoes in the HMI library has 31 reported results for lead, cadmium, total arsenic, total mercury, nickel, aluminium and Co from 4 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →4Ali A, Khan S, Iqbal A · 2025Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsNot reportedRead source →

Canned tomatoes overview

Canned tomatoes in the HMI library has 31 reported results for lead, cadmium, total arsenic, total mercury, nickel, aluminium and Co from 4 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →4Ali A, Khan S, Iqbal A · 2025Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsNot reportedRead source → WHO GEMS/Food submissions reported lead in canned tomatoes, as sold from 58 results in 2 reporting regions, with a subgroup median of 5 µg/kg.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → For cadmium, GEMS/Food gave subgroup medians from 8.8 to 10.2 µg/kg from 41 results.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Grochowska-Niedworok et al. 2020 reported lead at 5 µg/kg (mean ± 1 SD) and cadmium at 64 µg/kg (mean ± 3 SD) in canned tomatoes, canned from canned concentrate, Poland.2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →

For a buyer the practical points are the form bought, the basis a result is reported on, where the canned tomatoes came from and the laboratory’s reporting limit. Testing finds contamination but does not remove it.

What counts as canned tomatoes

This page covers canned tomatoes in 2 forms kept separate in every comparison: canned tomatoes, canned (21 results) and canned tomatoes, as sold (10 results).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →4Ali A, Khan S, Iqbal A · 2025Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsNot reportedRead source →

Results stay on the basis each source reports: as sold or fresh weight, dry weight, or unstated. Dry-weight, as-sold and unstated results are never pooled, and no moisture conversion is applied.

Heavy metal contamination profile of canned tomatoes

The table holds every extracted canned tomatoes result: one row for each statistic a source reports for a form, group and metal, 31 rows in all, grouped by metal and form; percentiles, ranges and maxima for the same samples as a mean or median are shown on that row.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →4Ali A, Khan S, Iqbal A · 2025Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsNot reportedRead source → Monitoring medians are HMI calculations from individual submissions; non-detects remain intervals between zero and the reporting limit and are never read as zero.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

1 row can be rated against an HMI reference for the same form and basis, 7 rows have a direct same-study comparison, and the rest stay unrated with the reason recorded.

Comparison methods and scope

Each row is one statistic a source reports for one form of canned tomatoes, group and metal; percentiles, ranges and maxima reported for the same samples as a mean or median are shown on that row. Different forms and preparation states are kept apart, and dry-weight results never share a reference with as-sold or fresh-weight results. Ratings place a result against an HMI reference built from monitoring results and ordinary-setting medians for the same form and basis. Same-study contrasts compare a contaminated or treated site with its control, targeted with random sampling, a prepared form with the unprocessed one, or one group of a study with the median of its other groups. Held rows failed a check against their own source and are shown but not compared.

About this table
Food formCollection scopeFindingComparisonEvidence
Canned tomatoes findings from monitoring programmes, total diet studies and every extracted field, market and contaminated-site study, in µg/kg with each source’s form, basis, statistic and censoring retained.
Food formCollection scopeFinding (µg/kg)ComparisonEvidence
10 findings · 2 studies · 2 spread figures folded in
Canned tomatoes, cannedGrochowska-Niedworok et al. 2020canned concentrate, PolandCollection date unreportedAs sold / freshmean.
Canned tomatoes, cannedGrochowska-Niedworok et al. 2020canned, GreeceCollection date unreportedAs sold / freshmean.
Canned tomatoes, cannedDabeka et al. 19955 city composites1986–1988median.
Canned tomatoes, cannedDabeka et al. 19955 city composites1986–1988mean.Same samples: 20.4 µg/kg (minimum); 166 µg/kg (maximum)
Canned tomatoes, cannedDabeka et al. 1995Halifax 19861986–1988sample value.
Canned tomatoes, cannedDabeka et al. 1995Montreal 19881986–1988sample value.
Canned tomatoes, cannedDabeka et al. 1995Ottawa 1985 (preliminary study)1986–1988sample value.
Canned tomatoes, cannedDabeka et al. 1995Toronto 19881986–1988sample value.
Canned tomatoes, cannedDabeka et al. 1995Vancouver 19871986–1988sample value.
Canned tomatoes, cannedDabeka et al. 1995Winnipeg 19871986–1988sample value.
3 findings · 1 study
Canned tomatoes, as soldWHO GEMS/FoodPAHO2013–2016As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2012–2014As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2008–2012As sold / freshmedian.
4 findings · 2 studies · 2 spread figures folded in
Canned tomatoes, cannedGrochowska-Niedworok et al. 2020canned concentrate, PolandCollection date unreportedAs sold / freshmean.
Canned tomatoes, cannedGrochowska-Niedworok et al. 2020canned, GreeceCollection date unreportedAs sold / freshmean.
Canned tomatoes, cannedDabeka et al. 19955 city composites1986–1988median.
Canned tomatoes, cannedDabeka et al. 19955 city composites1986–1988mean.Same samples: 13.5 µg/kg (minimum); 36.9 µg/kg (maximum)
3 findings · 1 study
Canned tomatoes, as soldWHO GEMS/FoodWPRO2014As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2008As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2012As sold / freshmedian.
2 findings · 1 study
Canned tomatoes, as soldWHO GEMS/FoodWPRO2014As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2008As sold / freshmedian.
2 findings · 1 study
Canned tomatoes, as soldWHO GEMS/FoodWPRO2014As sold / freshmedian.
Canned tomatoes, as soldWHO GEMS/FoodWPRO2008As sold / freshmedian.
1 finding · 1 study
Canned tomatoes, cannedDabeka et al. 1995Montreal composite1986–1988sample value.
1 finding · 1 study
Canned tomatoes, cannedAli et al. 2025unspiked canned tomatoCollection date unreportedAs sold / freshmean.
1 finding · 1 study
Canned tomatoes, cannedDabeka et al. 1995Montreal composite1986–1988sample value.
Shared dataset methods and interpretation

Source summaries retain their original statistic, material, basis and censoring. Each source drawer identifies methods and overlapping samples. No matched reference or pooled distribution is inferred.

HMI canned tomatoes Pb reference · Canned tomatoes, as sold

Reference and scope

HMI canned tomatoes Pb reference · Canned tomatoes, as sold. Canned tomatoes, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference2.78–4.9 (bounded)4.9–5.19 (bounded)5.1–18.4 (bounded)
Alternative weighting2.78–4.9 (bounded)4.9–5.19 (bounded)5.1–18.4 (bounded)

6 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food6100%

Methods

HMI pools subgroup medians for canned tomatoes, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for canned tomatoes, as sold on this basis in the completed canned tomatoes ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:canned-tomatoes-c8475a2acdc5:50a681f396c8

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI canned tomatoes Cd reference · Canned tomatoes, as sold

Reference and scope

HMI canned tomatoes Cd reference · Canned tomatoes, as sold. Canned tomatoes, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference8.89.410
Alternative weighting8.89.410

2 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food2100%

Methods

HMI pools subgroup medians for canned tomatoes, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for canned tomatoes, as sold on this basis in the completed canned tomatoes ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:canned-tomatoes-8dad52105406:d84017619ae8

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI canned tomatoes tAs reference · Canned tomatoes, as sold

Reference and scope

HMI canned tomatoes tAs reference · Canned tomatoes, as sold. Canned tomatoes, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤5≤5≤5
Alternative weighting≤5≤5≤5

1 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food1100%

Methods

HMI pools subgroup medians for canned tomatoes, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for canned tomatoes, as sold on this basis in the completed canned tomatoes ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:canned-tomatoes-a018a5934335:9ae3132928a5

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI canned tomatoes tHg reference · Canned tomatoes, as sold

Reference and scope

HMI canned tomatoes tHg reference · Canned tomatoes, as sold. Canned tomatoes, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤5≤5≤5
Alternative weighting≤5≤5≤5

1 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food1100%

Methods

HMI pools subgroup medians for canned tomatoes, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for canned tomatoes, as sold on this basis in the completed canned tomatoes ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:canned-tomatoes-67fd8bfacb7e:e97ebc2c80d2

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

1 dataset

How metals reach canned tomatoes

No study in the library compared canned tomatoes from contaminated and ordinary settings, so the routes by which metals reach it are not measured here.

Which forms and regions measured lower

The HMI reference for lead in canned tomatoes, as sold pools 6 subgroup units from 1 sampling family, with a median of between 4.9 and 5.19 µg/kg and a middle half spanning between 2.78 and 4.9 (lower quartile) and between 5.1 and 18.4 µg/kg (upper quartile).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Among GEMS/Food reporting regions, canned tomatoes, as sold had the lowest cadmium subgroup median in WPRO (8.8 µg/kg) and the highest in WPRO (10 µg/kg); reporting regions are markets, not growing areas.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Targeted canned tomatoes, as sold samples in WPRO had cadmium higher at 10.2 µg/kg, against 8.8 µg/kg for WPRO in the same study.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

In one study, lead across 6 groups of canned tomatoes ranged from 20.4 µg/kg (Toronto 1988) to 166 µg/kg (Halifax 1986); the lowest is the lowest observed in that study, not an established sourcing preference.3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →

Processing, cooking and preparation

No processing study for metals in this food is in the library yet.

Mitigation for canned tomatoes

Lot testing against the applicable limit is the check that can be verified.

No measured way to lower metals in this food is in the library yet.

Trade-offs and limits of controls

Metals do not move together, so a lot that passes a lead limit says little about cadmium, arsenic or nickel unless those are tested as well.

Testing canned tomatoes for metals

Results depend on the method and its reporting limit. Reporting limits for lead ranged from 5 µg/kg (WHO GEMS/Food) to 33 µg/kg (WHO GEMS/Food), so a non-detect from a less sensitive method says much less.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → Reporting limits for cadmium ranged from 1 µg/kg (WHO GEMS/Food) to 10 µg/kg (WHO GEMS/Food), so a non-detect from a less sensitive method says much less.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → Reporting limits for total arsenic were 5 µg/kg where sources stated them.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

A useful lot result names the form, the basis and a quantification limit well below the limit that applies.

Buying and verifying canned tomatoes

No maximum level for metals in canned tomatoes was verified from primary text for this page; buyers should confirm the limit that applies in the destination market.

Exposure from canned tomatoes

No source in the library converted canned tomatoes concentrations into a verified estimate of intake for a defined population. Concentrations describe the food, not individual risk.

Evidence review and remaining gaps

Every source record that names canned tomatoes was decided on its content: 4 occurrence extracted, 4 records in all. The occurrence table renders every extracted result; held values remain visible with their reason.

References identify the sources used in these answers. The Sources index preserves additional discovery links; inclusion there does not mean a source has been reviewed for this assessment. Corrections, completed searches, new direct evidence and changes in requirements should reopen the relevant answer.

Canned tomatoes FAQs

What heavy metals are found in canned tomatoes?

The library reports lead, cadmium, total arsenic, total mercury, nickel, aluminium and Co in canned tomatoes, most often lead, cadmium and total arsenic.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2Grochowska-Niedworok E, Nieć J, Baranowska R · 2020Assessment of cadmium and lead content in tomatoes and tomato productsRoczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene)Read source →3Dabeka RW, McKenzie AD · 1995Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Journal of AOAC InternationalRead source →4Ali A, Khan S, Iqbal A · 2025Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsNot reportedRead source → WHO GEMS/Food submissions reported lead in canned tomatoes, as sold from 58 results in 2 reporting regions, with a subgroup median of 5 µg/kg.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Which regions report the lowest levels in canned tomatoes?

Among GEMS/Food reporting regions, canned tomatoes, as sold had the lowest cadmium subgroup median in WPRO (8.8 µg/kg) and the highest in WPRO (10 µg/kg); reporting regions are markets, not growing areas.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

References

Works cited on this page, in citation-number order. See Sources for this page’s source inventory. Each title links to a source record with bibliographic details, reported findings, and document provenance.

  1. GEMS/Food Contaminants database heavy-metal exportsWorld Health Organization · GEMS/Food Contamination Monitoring and Assessment Programme · 2026 · extranet.who.intDataset
  2. Assessment of cadmium and lead content in tomatoes and tomato productsGrochowska-Niedworok E, Nieć J, and Baranowska R · Roczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene) · 2020 · doi.org/10.32394/rpzh.2020.0126Peer-reviewed
  3. Survey of Lead, Cadmium, Fluoride, Nickel, and Cobalt in Food Composites and Estimation of Dietary Intakes of These Elements by Canadians in 1986-1988Dabeka RW and McKenzie AD · Journal of AOAC International · 1995 · academic.oup.comPeer-reviewed
  4. Carbon Dots Fluorometric Sensor for Simultaneous Detection of Aluminum and Cobalt in Canned FoodsAli A, Khan S, and Iqbal A · 2025 · doi.org/10.1039/d5ra00448aPeer-reviewed

Sources

Browse Canned tomatoes Sources for sources cited on this page and additional discovery candidates. The searchable index distinguishes verified citation use from discovery relationships whose relevance has not been established.

Update history

22 October 2026: Rebuilt from every canned tomatoes record in the library: 4 occurrence sources, references by form and basis, same-study contrasts.