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Cinnamomum Cassia Leaf Oil
Cinnamomum Cassia Leaf Oil
Moderate concern
FDA-listed natural flavoring (21 CFR 182.20). Cassia oil and bark contain coumarin; chronic high intake of coumarin is associated with hepatotoxicity.
Found in
13 products
What it is
Essential oil distilled from cassia (Cinnamomum cassia) leaves; high in cinnamaldehyde and eugenol.
Flavoring; fragrance.
Why it's flagged
- Coumarin content (hepatotoxic at high chronic doses)
- Skin sensitizer in topical use
What regulators actually say
"The CONTAM Panel established a tolerable daily intake (TDI) for coumarin of 0.1 mg/kg body weight."
Regulatory status
United States — FDA
GRAS natural flavoring (21 CFR 182.20, cinnamon)
European Union — EFSA
Permitted; coumarin TDI 0.1 mg/kg bw/day
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