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Myrcene
Myrcene
Low concern
Myrcene is FEMA GRAS at typical flavor-use levels and 21 CFR 172.515-listed. IARC has not classified myrcene; NTP found clear evidence of carcinogenic activity in rats at very high gavage doses, but flavor-use exposure is far below those levels.
Found in
5 products
What it is
A monoterpene found naturally in hops, mango, lemongrass, thyme, and cannabis; used as a flavor and fragrance ingredient.
Flavoring substance — FEMA GRAS (FEMA 2762).
Why it's flagged
- NTP rodent carcinogenicity at high doses (not relevant to flavor-level exposure)
What regulators actually say
"Under the conditions of these 2-year gavage studies, there was clear evidence of carcinogenic activity of β-myrcene in male F344/N rats and B6C3F1 mice."
Regulatory status
United States — FDA
Listed in 21 CFR 172.515 as permitted synthetic flavoring
European Union — EFSA
Authorized flavoring (FL 01.008)
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