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E452Leavening agentModerate concern
Polyphosphates
In plain words
The short version
Chain phosphates — used to retain water in processed meat and seafood, increasing yield (and added water).
Why we flag it amber
It's permitted and generally considered safe, but there are a few reasons to be mindful — like sensitivities in some people, debated studies, or intake limits. The Safety section below explains the specifics.
Safety profile
ADI of 70 mg/kg body weight as phosphorus (combined phosphates). The added-water-via-polyphosphate practice has consumer-transparency concerns separate from the phosphate-load concern. Mandatory declaration of added water in some jurisdictions.
The detail
Educational information only. Not medical or dietary advice.