The manuscript provides a review of chemicals present in food that have sufficient evidence of carcinogenicity in either humans or experimental animals. Evidence for human cancer risk from intake of such carcinogens is also discussed.
Source | Examples a | |
---|---|---|
1. Naturally occurring | ||
Plant: | alkenylbenzene derivatives aristolochic acid cycasin ptaquiloside d-limonene |
psoralen pyrrolizidine alkaloids pulegone β-myrcene |
Microbial/Fungal: | various mycotoxins | |
2. Contaminants | ||
Introduced before processing: | daminozide dioxins |
DDT flumequine |
Introduced during processing: | trichloroethylene | methylene chloride |
Food contact materials: | plastics (polyolefins, polyesters, polystyrene, polyamides, etc.) polymeric coatings |
monomers (vinyl chloride, styrene, acrylonitrile) |
3. Additives | ||
Anthropogenic: | α,β-aldehydes butylated hydroxyanisole and butylated hydroxytoluene |
hexenal saccharin |
4. Formed from food components | ||
During processing: | acrylamide chloropropanols ethyl carbamate (urethane) |
furan various nitrosamines alkylated imidazoles |
During packaging: | bisphenol A furan |
phthalates |
During storage: | benzene | |
During cooking: | acrylamide benzo[a]pyrene |
various heterocyclic amines |
In the body: | nitrosamines and nitrosamides α,β-aldehydes |
ethylene oxide |
Chemical Name | CAS Registry Number | Classification | Carcinogenic Potency (TD50, mg/kg/d) c |
MoA | |
---|---|---|---|---|---|
IARC a | NTP b | ||||
1. Human carcinogens | |||||
Aflatoxins | 1 | 1 | 0.343 (mouse) 0.0032 (rat) |
GTX | |
Aristolochic acid I | 313-67-7 | 1 | 1 | N/A | GTX |
Benzene | 71-43-2 | 1 | 1 | 77.5 (mouse) 169 (rat) |
GTX |
Benzo[a]pyrene | 50-32-8 | 1 | 2 | 3.47 (mouse) 0.956 (rat) |
GTX |
Dioxin (TCDD) | 1746-01-6 | 1 | 1 | 0.000156 (mouse) 0.0000235 (rat) |
EPI |
Dioxin-like compounds (PBCs) | 1 | N/L | N/A | EPI | |
Ethylene oxide | 75-21-8 | 1 | 1 | 63.7 (mouse) 21.3 (rat) |
GTX |
Methoxsalen with UV A radiation | 298-81-7 | 1 | 1 | 32.4 (rat) | GTX |
Processed meat | 1 | N/L | N/A | GTX | |
Salted fish | 1 | N/L | N/A | GTX | |
2. Likely to be human carcinogens | |||||
Acrylamide | 79-06-1 | 2A | 2 | 3.75 (rat) | GTX |
2-Amino-3-methylimidazo[4,5-f]quinoline | 76180-96-6 | 2A | 2 | 19.6 (mouse) 0.812 (rat) |
GTX |
p,p′-Dichlorodiphenyl-trichloroethane (DDT) | 50-29-3 | 2A | 2 | 12.8 (mouse) 84.7 (rat) |
EPI |
Ethyl carbamate (urethane) | 51-79-6 | 2A | 2 | 16.9 (mouse) 41.3 (rat) |
GTX |
5-Methoxypsoralen | 484-20-8 | 2A | N/L | N/A | GTX |
N-nitrosodiethylamine | 55-18-5 | 2A | 2 | 0.0265 (rat) | GTX |
Red meat | 2A | N/L | N/A | GTX | |
2-Amino-3,4-dimethylimidazo[4,5-f]quinoline | 77094-11-2 | 2B | 2 | 15.5 (mouse) | GTX |
2-Amino-3,8-dimethylimidazo[4,5-f]quinoline | 77500-04-0 | 2B | 2 | 24.3 (mouse) 1.66 (rat) |
GTX |
2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine | 105650-23-5 | 2B | 2 | 33.2 (mouse) 1.78 (rat) |
GTX |
Benzophenone | 119-61-9 | 2B | N/L | 152 (rat) 379 (mouse) |
EPI |
Bracken fern | 2B | N/L | N/A | GTX | |
Butylated hydroxyanisole | 25013-16-5 | 2B | 2 | 5530 (mouse) 405 (rat) |
EPI |
3-Chloro-1,2-propanediol | 96-24-2 | 2B | N/L | 117 (rat) | Uncertain |
Crotonaldehyde | 4170-30-3 | 2B | N/L | 4.2 (rat) | GTX |
Cycasin | 14901-08-7 | 2B | N/L | N/A | GTX |
1,3-Dichloro-2-propanol | 96-23-1 | 2B | N/L | 46.4 (rat) | GTX |
Di(2-ethylhexyl) phthalate | 117-81-7 | 2B | 2 | 476 (rat) 484 (mouse) |
EPI |
1,4-Dioxane | 123-91-1 | 2B | 2 | 204 (mouse) 267 (rat) |
Uncertain/EPI |
Fumonisin B1 | 116355-83-0 | 2B | N/L | 6.79 (mouse) 5.75 (rat) |
Uncertain/EPI |
Fusarin C | 79748-81-5 | 2B | N/L | N/A | Uncertain/EPI |
Furan | 110-00-9 | 2B | 2 | 2.72 (mouse) 0.396 (rat) |
EPI |
Lasiocarpine | 303-34-4 | 2B | N/L | 0.389 (rat) | GTX |
Methyl eugenol | 93-15-2 | 2B | 2 | 19.3 (mouse) 19.7 (rat) |
GTX |
Methylazoxymethanol | 592-62-1 | 2B | N/L | N/A | GTX |
2-Methylimidazole | 693-98-1 | 2B | N/L | 782 (mouse) 868 (rat) |
EPI |
4-Methylimidazole | 822-36-6 | 2B | N/L | 387 (mouse) 317 (rat) |
EPI |
Methyl isobutyl ketone | 108-10-1 | 2B | N/L | 612 (rat) | EPI |
Monocrotaline | 315-22-0 | 2B | N/L | 0.94 (rat) | GTX |
β-Myrcene | 123-35-3 | 2B | N/L | 15,400 (rat) | EPI |
N-nitrosodiethanolamine | 1116-54-7 | 2B | 2 | 3.17 (rat) | GTX |
Ochratoxin A | 303-47-9 | 2B | 2 | 6.41 (mouse) 0.136 (rat) |
GTX/EPI |
Pickled vegetables | 2B | N/L | N/A | GTX | |
Pulegone | 89-82-7 | 2B | N/L | 232 (mouse) 156 (rat) |
EPI |
Riddelliine | 23246-96-0 | 2B | 2 | 1.97 (mouse) 0.119 (rat) |
GTX |
Safrole | 94-59-7 | 2B | 2 | 51.3 (mouse) 441 (rat) |
GTX |
trans,trans-2,4-Hexadienal | 142-83-6 | 2B | N/L | 176 (mouse) 62.2 (rat) |
GTX |
3. Unknown carcinogenic potential | |||||
Agaritine d | 2757-90-6 | 3 | N/L | N/A | GTX |
Butylated hydroxytoluene | 128-37-0 | 3 | N/L | 653 (mouse) | EPI |
Carrageenan (native) d | 9000-07-1 | 3 | N/L | N/A | |
Chlorate (sodium salt) d | 7775-09-9 | 3 | N/L | 69.1 (mouse) 0.865 (rat) |
EPI |
Eugenol d | 97-53-0 | 3 | N/L | N/A | |
Furfural d | 98-01-1 | 3 | N/L | 197 (mouse) 683 (rat) |
Uncertain |
Hydroquinone | 123-31-9 | 3 | N/L | 225 (mouse) 82.8 (rat) |
EPI |
Isatidine d | 15503-86-3 | 3 | N/L | 0.716 (rat) | GTX |
d-Limonene d | 5989-27-5 | 3 | N/L | 204 (rat) | EPI |
Malondialdehyde | 24382-04-5 | 3 | N/L | 14.1 (mouse) 122 (rat) |
GTX |
Patulin d | 149-29-1 | 3 | N/L | N/A | Uncertain |
Ptaquiloside | 87625-62-5 | 3 | N/L | N/A | GTX |
Quercetin d | 117-39-5 | 3 | N/L | 10.1 (rat) | EPI |
Retrorsine d | 480-54-6 | 3 | N/L | 0.862 (rat) | GTX |
Senkirkine d | 2318-18-5 | 3 | N/L | 1.7 (rat) | GTX |
Sodium saccharin d | 128-44-9 | 3 | N/L | 2140 (rat) | EPI |
Symphytine d | 22571-95-5 | 3 | N/L | 1.91 | GTX |
Zearalenone d | 17924-92-4 | 3 | N/L | 39 (mouse) | EPI |
4. Not classified by IARC/NTP | |||||
Daminozide d | 1596-84-5 | N/L | N/L | 1030 (mouse) 2500 (rat) |
EPI |
Estragole | 140-67-0 | N/L | N/L | 51.8 (mouse) | GTX |
Genistein d | 446-72-0 | N/L | N/L | 27.1 (rat) | EPI |
N-methyl-N-formylhydrazine d | 758-17-8 | N/L | N/L | 1.37 (mouse) | GTX |
This entry is adapted from the peer-reviewed paper 10.3390/foods11182828