Cornbread
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 60, “Cornbread, homemade.” fda2022-tds-elements-fy2018-fy2020
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 is populated by the per-metal body sections below where they exist; an automated Phase 3 enrichment will lift attributions into this table.
| Analyte | Coverage | Typical (ppb) | p95 (ppb) | Confidence | Key sources |
|---|---|---|---|---|---|
| Pb | n=1 (in progress) | — | — | — | — |
| Cd | n=1 (in progress) | — | — | — | — |
| iAs | data gap | — | — | — | — |
| tAs | n=1 (in progress) | — | — | — | — |
| tHg | n=1 (in progress) | — | — | — | — |
| Ni | n=1 (in progress) | — | — | — | — |
| Al | data gap | — | — | — | — |
| Cr | n=1 (in progress) | — | — | — | — |
| Sn | data gap | — | — | — | — |
| U | n=1 (in progress) | — | — | — | — |
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. fda2022-tds-elements-fy2018-fy2020
Routing
This node is linked from the ingredient index and the FDA TDS source routing table.
Contamination Profile State
The machine-readable contamination profile is in_progress for analytes measured in the TDS file and pending for profile metals not measured by this source. Ingredient-level values belong here once cross-source synthesis is reviewed; product-category values belong on the relevant product 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 “Cornbread, homemade” (fda2022-tds-elements-fy2018-fy2020). 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.
| Metal | n | min | p10 | p50 | p90 | p95 | max | Schema |
|---|---|---|---|---|---|---|---|---|
| Cd | 3 | 9.2 | 9.34 | 9.9 | 10.78 | 10.89 | 11 | in profile |
| Cr | 3 | 200 | 200 | 200 | 200 | 200 | 200 | in profile |
| Ni | 3 | 140 | 146 | 170 | 178 | 179 | 180 | in profile |
| Pb | 3 | 0 | 1.06 | 5.3 | 12.26 | 13.13 | 14 | in profile |
| U | 3 | 2.2 | 2.2 | 2.2 | 2.6 | 2.65 | 2.7 | in profile |
| tAs | 3 | 3 | 3.04 | 3.2 | 3.44 | 3.47 | 3.5 | in profile |
| tHg | 3 | 2.8 | 2.82 | 2.9 | 3.94 | 4.07 | 4.2 | in profile |
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 | FDA 2022. FY2018-FY2020 TDS Elements Analytical Results, FDA Total Diet Study | 2022 | Government dataset | FDA TDS FY2018–FY2020 Cd, Cr, Ni, Pb, U, tAs, tHg occurrence distributions for Cornbread, homemade (n=3) |