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Propylene Glycol Esters Of Fatty Acids
Propylene Glycol Esters Of Fatty Acids
Moderate concern
FDA approved (21 CFR 172.856); EFSA reassessed in 2018 with a group ADI of 25 mg/kg bw/day. Generally safe at typical use levels but considered an additive whose exposure should be monitored.
Found in
425 products
What it is
Esters of propylene glycol with food-grade fatty acids (E477). Used as emulsifier and aerating agent.
Emulsifier; particularly effective in cake mixes and whipped toppings (alpha-tending emulsifier).
Why it's flagged
- EFSA reassessment imposed group ADI
- Synthetic emulsifier; some animal data on gut microbiome effects of emulsifiers generally
What regulators actually say
"Propylene glycol mono- and diesters of fats and fatty acids may be safely used in food."
"An ADI of 25 mg/kg bw/day was established for propane-1,2-diol esters of fatty acids (E 477)."
Regulatory status
United States — FDA
Approved food additive 21 CFR 172.856
European Union — EFSA
E477 with ADI 25 mg/kg bw/day
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