Processed Eucheuma Seaweed
Also known as: E407a
EFSA's 2018 re-evaluation found no genotoxicity or carcinogenicity concern and concluded the existing group ADI of 75 mg/kg bw/day for E407 and E407a should be considered temporary, asking for an improved database within 5 years. There is ongoing scientific debate about gut-barrier effects and pro-inflammatory potential of carrageenan/PES; some authorities have restricted use in infant formula and follow-on formula.
What it is
Processed Eucheuma seaweed (PES); obtained by alkaline aqueous extraction of red seaweeds Eucheuma cottonii and Eucheuma spinosum, similar in structure to carrageenan but containing more cellulosic material.
Thickener/gelling agent/stabilizer.
Why it's flagged
- temporary ADI
- ongoing intestinal-barrier and inflammation research
- infant-formula restrictions
What regulators actually say
"The Panel concluded that the existing group acceptable daily intake (ADI) for carrageenan (E 407) and processed Eucheuma seaweed (E 407a) of 75 mg/kg bw per day should be considered temporary."
"21 CFR 172.623 lists processed Eucheuma seaweed as a permitted direct food additive."
Regulatory status
United States — FDA
Permitted as a direct food additive (21 CFR 172.620 for carrageenan and salts; 21 CFR 172.623 for processed Eucheuma seaweed).
European Union — EFSA
Authorized as E407a; group ADI 75 mg/kg bw/day (temporary).
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