Overview
Source-grounded narrative on this page is populated incrementally from the routed source pages; values for analytes marked as data gap below have not yet accumulated 2+ A-tier contributing sources.
Heavy metal contamination profile
Per-analyte snapshot derived from the machine-readable contamination_profile in the frontmatter above. data gap indicates the literature has been reviewed for this commodity-analyte combination and no usable occurrence data was found (a finding, not a placeholder). The Key sources column shows the top 2-3 contributing sources by year and sample size, with numbered wikilink aliases.
| Analyte | Coverage | Typical (ppb) | Confidence | Key sources |
|---|---|---|---|---|
| Pb | n=2 | 8–270 | low | — |
| Cd | n=2 | 0–6 | low | — |
| iAs | data gap | — | — | — |
| tAs | data gap | — | — | — |
| tHg | data gap | — | — | — |
| Ni | data gap | — | — | — |
| Al | data gap | — | — | — |
| Cr | data gap | — | — | — |
| Sn | data gap | — | — | — |
| U | data gap | — | — | — |
References
Works cited in this page’s text, in first-appearance order. This is not the full corpus for this page; it is only what the prose above draws on. The complete set of sources is listed under Sources below. Each title links to its source record, which carries the ingest receipt, the extracted values, and the file hash of the document it was built from.
- Action Levels for Lead in Processed Food Intended for Babies and Young Children: Guidance for IndustryGuidance
- General Standard for Contaminants and Toxins in Food and Feed (CXS 193-1995)Government
Sources
Auto-generated from source-page frontmatter. The "Used on this page for" column is populated by the orchestrator's POPULATE-SOURCE-LEGEND action; pending entries appear as *[awaiting synthesis]*.
| # | Citation | Year | Type | Used on this page for |
|---|---|---|---|---|
| 1 | Tsegay et al. 2025. Toxicological qualities and detoxification trends of fruit by-products for valorization: A review, Open Life Sciences 20:20251105 | 2025 | Peer-reviewed | tAs, Pb, Cd, Cr, Ni, Co, tHg occurrence in Narrative review of secondary literature on by-products (peels, pomace, seeds, kernels, rinds) from the globally highest-produced fruits in… |
| 2 | Bora et al. 2022. Quantification and Reduction in Heavy Metal Residues in Some Fruits and Vegetables: A Case Study Galați County, Romania, Horticulturae | 2022 | Peer-reviewed | RO/EU tAs, Cd, Pb, Zn occurrence in 80 fruit and vegetable samples from Galați County, Romania (45 from vegetable/fruit market, 35 from amateur farmers), collected… (n=80) |
| 3 | Bramwell et al. 2022. Determinants of blood and saliva lead concentrations in adult gardeners on urban agricultural sites, Environmental Geochemistry and Health | 2022 | Peer-reviewed | GB Pb occurrence in 43 adult urban-agriculture-site gardeners and 29 matched controls in Newcastle upon Tyne, UK; environmental sampling included nearly 280… (n=72) |
| 4 | Mania et al. 2021. The content of lead, cadmium, arsenic, mercury and tin in fruit and their products based on monitoring studies – exposure assessment, Roczniki Państwowego Zakładu Higieny (Annals of the National Institute of Hygiene) | 2021 | Peer-reviewed | PL/EU Pb, Cd, tAs, tHg, Sn occurrence in Approximately 600 samples of fresh, frozen, dried fruits, fruit preserves and canned fruits collected throughout Poland in 2015… (n=600) |
| 5 | Rusin et al. 2021. Concentration of cadmium and lead in vegetables and fruits, Scientific Reports | 2021 | Peer-reviewed | PL Cd, Pb occurrence in 370 samples drawn from the Polish retail market and analysed under Polish State Sanitary Inspection (n=292 by the… (n=370) |
| 6 | Sembratowicz et al. 2010. Contents of Nitrates (III) and (V), Lead and Cadmium in Select Domestic Fruits, Polish Journal of Environmental Studies | 2010 | Peer-reviewed | PL Pb, Cd occurrence in Apples, plums, strawberries, raspberries, and white grapes from allotment gardens in Lublin city center and surrounding rural areas,… (n=108) |
Why this commodity accumulates heavy metals
Raspberries (Rubus idaeus and related Rubus species) are aerial-fruiting bramble berries. Like other small fruits (blueberries, blackberries, strawberries), raspberries accumulate heavy metals primarily via soil uptake at moderate efficiency, with some contribution from atmospheric deposition (more relevant to fields near roads or industrial facilities) and from irrigation water. The aerial fruiting habit makes raspberries less soil-contact than root vegetables, which limits direct soil-particle adhesion to the fruit; the wash-and-rinse step at processing further reduces surface-deposited metals. Compared to leafy vegetables, raspberries carry lower per-mass Cd and Pb; compared to most temperate tree fruits (apple, pear), raspberries sit at moderate per-mass levels.
The HMTc panel concerns for raspberries are generally low; Pb and Cd at moderate levels with limited literature attention because raspberries are not a high-volume infant-feeding commodity (most exposure is in adult diet, where per-serving doses are modest). Raspberry-based products marketed to infants and toddlers (raspberry purees, raspberry-flavored snacks, raspberry-containing baby food) do warrant attention because of the high-frequency feeding context.
Ranges by source, region, and variety
Variance within raspberries tracks source-region soil profile (industrial-region or urban production carries elevated Pb; commercial-orchard production in agricultural regions sits at moderate baseline), cultivar (red raspberry, black raspberry, gold raspberry — limited documented per-cultivar differences), and growing-system (greenhouse-grown raspberry carries lower metals than field-grown because of controlled inputs; organic-certified raspberry does not appreciably differ from conventional on heavy-metal content because organic certification does not address soil metals). The broader fruits aggregate corpus covers the regional spread; raspberry-specific literature is limited.
Processing effects
Raspberry processing for fresh-market consumption is minimal: harvest, wash, pack. Industrial processing for frozen raspberry, raspberry juice, raspberry puree, raspberry concentrate, and freeze-dried raspberry involves washing, freezing or thermal processing, and packaging. Washing reduces surface-deposited Pb. Concentration via evaporation (for raspberry concentrate and raspberry-flavored syrups) concentrates per-mass metals. Freeze-drying retains the source-raspberry metal load at concentrated per-mass levels. Raspberry-jam and raspberry-jelly manufacturing combines raspberry with sugar and pectin; per-mass metals are diluted by the added ingredients.
Ingredient-derivative risk
Raspberry derivatives include fresh raspberry, frozen raspberry, raspberry juice, raspberry concentrate, raspberry puree (for fruit purees for infant feeding), raspberry powder (freeze-dried and ground), raspberry jam, raspberry jelly, raspberry syrup (flavoring application), and raspberry-flavored beverages. Concentrated and powdered raspberry products carry per-mass metals at higher levels than fresh raspberry. Raspberry seed oil (a cosmetic and nutritional product) partitions metals to non-lipid fractions.
Mitigation options
Sourcing levers (Supply-chain screening) include source-region soil verification for raspberry farms; supplier audit programs for documented low-soil-Pb production regions; and contractual specification of Pb/Cd ceiling on incoming raspberry supply for infant-and-young-child product manufacturers.
Agronomic levers (Agronomic mitigation) operate at the raspberry-cultivation stage. Soil pH management; avoidance of high-Pb agrochemical inputs; and irrigation-water specification.
Processing levers (Processing mitigation) include washing optimization for surface-Pb removal; processing-equipment material specification; and freezing as a metal-neutral preservation method.
Formulation levers (Formulation mitigation) include substituting raspberry with lower-risk fruits where the matrix permits; reducing the raspberry fraction in mixed-fruit purees for infant feeding.
Testing and QC levers (Testing and quality-control mitigation) include lot-level Pb, Cd testing on incoming raspberry supply. ICP-MS is the standard analytical platform.
Packaging and storage levers (Packaging and storage mitigation) are minor; raspberry products are typically packaged in glass, plastic, or aseptic carton (canned raspberry is uncommon).
Regulatory limits that apply
- eu-2023-915 — EU Reg. 2023/915 sets maximum levels for Pb in berry fruits at 100 ppb; Cd at 50 ppb (general fruit), 100 ppb (specific fruit categories).
- FDA Closer to Zero baby-food Pb action levels: 10 ppb for fruit purees including raspberry-containing infant fruit products (FDA 2025).
- Codex Alimentarius CXS 193-1995 (Codex 1995) sets fruit-category limits aligned broadly with EU.
- California Prop 65 (california-prop65) Pb MADL applies to raspberry products sold in California.
Update history
The five most recent substantive edits to this page, classified major (evidence or structure moved), correction (a published value or statement was wrong and has been fixed), or minor (narrative rewritten without changing the underlying evidence). Each description is derived from what the edit did to this page; the linked commit is the authoritative record, routine regeneration passes are excluded, and the full version history lives in git. When DOI minting comes online (see schema docs), each entry below will also link to a version-pinned DataCite DOI.
| Commit | Date | Change | Description |
|---|---|---|---|
| e317189 | 2026-08-11 | correction | 2 sources added; 11 sections added; narrative text revised |