Key numbers
- Rice cereal arsenic concentration: up to 85 ppb (As)
- Lead absorption in children: 40–50% of ingested dose
- Lead absorption in adults: 10–15% of ingested dose
- Consumer Reports baby food survey: 65% of samples contained detectable arsenic, 36% contained lead, 58% contained cadmium
- FDA Total Diet Study: 20% of baby food samples contained detectable lead
- Juice contamination rates: grape juice 89%, mixed-fruit juice 67%, apple juice 55%, pear juice 45%
Methods
Narrative review synthesizing literature on gastrointestinal absorption of lead and arsenic in children, food contamination data from Consumer Reports and FDA Total Diet Study, and regulatory limits set by EPA and FDA. Focuses on physiological differences in absorption between children and adults, evidence linking childhood exposure to intellectual and behavioral outcomes.
Implications
Lead and arsenic in infant cereals and juices represent significant pediatric exposure pathways. Enhanced gastrointestinal absorption in children compared with adults, combined with established neurotoxicological effects, suggests current FDA allowable limits may be inadequately protective for the pediatric population. Particularly relevant for rice-based cereals and fruit juices.
Wiki pages updated
- metals/lead
- metals/arsenic
- products/infant-cereal
- products/infant-juice
- ingredients/rice
- ingredients/fruit-juice
- jurisdictions/regulatory-us
Page history
The five most recent substantive edits to this page. 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.