Green bell pepper

Overview

This ingredient stub was created during the FDA FY2018-FY2020 Total Diet Study element-results ingest so future source ingests have a stable destination for this food matrix. FDA reports this item as TDS Food 125, “Pepper, bell, green, raw.” FY2018-FY2020 TDS Elements Analytical Results

Why this commodity accumulates heavy metals

Green bell pepper (Capsicum annuum) is a fruit vegetable with a hollow, thick-walled structure. The outer wall (pericarp) forms a barrier between the growing environment and the inner seed cavity, providing partial protection to the seeds from soil-borne metal contact. Metals reach bell pepper tissue primarily through root uptake from soil and translocation to aerial plant parts, and secondarily through surface deposition of atmospheric particulates or spray residues on the outer pericarp surface. Capsicum species are not considered hyperaccumulators or even moderate accumulators of heavy metals under typical soil conditions; root uptake efficiency for Cd and Pb is lower in peppers than in leafy vegetables (which concentrate metals in edible leaf tissue) and lower than in legumes (which use root exudate chemistry that mobilizes soil metals). The FDA TDS data for green bell pepper raw (n=27) shows Cd as the only metal consistently above detection limits (median 6.6 ppb, max 24 ppb) FY2018-FY2020 TDS Elements Analytical Results, with Ni elevated in a small number of samples (max 580 ppb), suggesting that while this matrix is generally low risk across most analytes, Cd and occasional Ni spikes from specific growing locations may occasionally be relevant for regulatory compliance assessment.

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.

FDA TDS FY2018-FY2020 Evidence

The normalized row-level data for this TDS food is stored in data/evidence/fda_tds_fy2018_2020_element_results_samples.csv, with per-food/per-analyte summaries in data/evidence/fda_tds_fy2018_2020_summary_by_food_analyte.csv. Concentrations are retained as FDA reported them, with the reporting-limit column preserved separately; reported zeroes are not rewritten as <LOD unless a source explicitly says to do so. FY2018-FY2020 TDS Elements Analytical Results

Routing

This node is linked from the ingredient index and the FDA TDS source routing table.

Contamination Profile State

Per-analyte state — populated, in progress, or declared data gap — is carried authoritatively in the machine-readable contamination_profile frontmatter and the contamination-profile table above. Ingredient-level values belong here; finished-product values belong on the relevant product-category page.

FDA TDS FY2018-FY2020 Occurrence Values

FDA Total Diet Study FY2018-FY2020 reports prepared/composite-food concentration distributions for this ingredient as TDS food “Pepper, bell, green, raw” (FY2018-FY2020 TDS Elements Analytical Results). Values are in ppb-equivalent on the basis FDA reported. The full sample-level data are stored in data/evidence/fda_tds_fy2018_2020_element_results_samples.csv; per-analyte distributions in data/evidence/fda_tds_fy2018_2020_summary_by_food_analyte.csv. These distributions count as one source under Persistent Wiki Ingest Rule synthesis discipline; numerical values stay in body scratch until a second independent source is integrated.

Ranges by source, region, and variety

Cadmium concentrations in green bell pepper (range 1.6 to 24 ppb, median 6.6 ppb, n=27 in FDA TDS) FY2018-FY2020 TDS Elements Analytical Results show variation consistent with differences in soil Cd availability across the US and import origins represented in the TDS composite. Greenhouse-grown peppers, which constitute a large fraction of European and some North American supply, typically grow in controlled growing media (peat-based or coco coir substrate) that can be formulated with low metal burden, potentially reducing Cd relative to field-grown peppers on naturally or fertilizer-elevated Cd soils. Conventional field production on heavily phosphate-fertilized soils carries higher expected Cd. The very high Ni outlier in the TDS data (max 580 ppb, n=27) is consistent with a small number of samples from a high-Ni soil origin but is not further disaggregated in the TDS dataset. Color variants of bell pepper (red, orange, yellow) are the same species and cultivar class as green bell pepper and would be expected to carry a similar, if not identical, metal burden.

Processing effects

The FDA TDS measures green bell pepper in the raw state, meaning that consumer preparation (washing, seeding, raw consumption or cooking) is not captured in this dataset. Washing the outer surface of the pepper before consumption or processing removes surface-deposited Pb and Cd from atmospheric deposition and spray residues; this is standard sanitation practice for fresh vegetables. Cooking (roasting, grilling, stir-frying) does not materially reduce cadmium or lead concentrations in the pericarp tissue. Commercial processing into frozen pepper strips or diced pepper involves washing and blanching, which may produce minor leaching of water-soluble metal fractions; the magnitude has not been characterized in the current corpus for bell pepper specifically.

Ingredient-derivative risk

Green bell pepper appears as a fresh vegetable, as an ingredient in frozen vegetable mixes, jarred or canned roasted peppers, salsa, and in dried or powdered form (green pepper powder or flakes). Drying concentrates metals in proportion to moisture loss; a dried bell pepper powder with 10 percent moisture relative to fresh pepper with 92 percent moisture would carry approximately elevenfold higher concentrations per gram wet weight. Paprika and other dried Capsicum products are covered on separate commodity pages and are not part of the fresh green bell pepper risk profile addressed here.

Mitigation options

Sourcing levers

Preferring greenhouse-grown bell peppers grown in certified, low-Cd substrate or specifying field origin from regions with documented low soil Cd reduces the expected Cd burden in this matrix. For EU-marketed products, supplier compliance with EU maximum levels for Cd in vegetables (0.050 mg/kg) provides some assurance, though compliance testing by competent authorities is not comprehensive for all origins.

Agronomic levers

No quantified data on this lever in the current corpus; section will be expanded when relevant evidence is ingested.

Processing levers

Thorough washing of fresh bell pepper removes surface-deposited metals from the pericarp exterior. For manufacturers processing bell pepper into frozen or preserved products, blanching provides an additional leaching step that reduces water-soluble metal fractions in the finished product.

Formulation levers

No quantified data on this lever in the current corpus; section will be expanded when relevant evidence is ingested.

Testing and QC levers

Given that Cd is the primary detectable analyte and its maximum of 24 ppb in the FDA TDS is below the EU regulatory limit of 50 ppb for vegetables FY2018-FY2020 TDS Elements Analytical Results, routine lot-level testing for Cd is not urgently indicated for typical commercial green bell pepper supply chains. However, for products targeting infants or using bell pepper in baby food formulations, where the EU applies stricter Pb limits (0.020 mg/kg for processed vegetable-based foods for infants), verification testing is warranted.

Packaging and storage levers

No quantified data on this lever in the current corpus; section will be expanded when relevant evidence is ingested.

Regulatory limits that apply

Under EU Regulation as updated in EU Regulation 2023/915 maximum levels for contaminants in food, the maximum level for Pb in vegetables (general) is 0.10 mg/kg wet weight and for Cd in vegetables (general) it is 0.050 mg/kg wet weight. These limits apply to green bell pepper as placed on the market. All FDA TDS Pb measurements for green bell pepper (n=27) are at or below detection limits FY2018-FY2020 TDS Elements Analytical Results, and Cd values peak at 24 ppb, indicating substantial margin below the EU 50 ppb Cd limit. For bell pepper used in processed vegetable products for infants and young children, the EU applies a stricter Pb maximum of 0.020 mg/kg for vegetable-based processed foods; bell pepper may require verification testing when included in infant food formulations to demonstrate compliance with this lower limit. There are no specific US FDA action levels for metals in fresh or processed bell pepper.

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.

1. FY2018-FY2020 TDS Elements Analytical ResultsU.S. Food and Drug Administration · FDA Total Diet Study · 2022 · www.fda.govDataset

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]*.

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.