Calcium propionate
Calcium propionate is low in histamine; it's a common bread preservative with no known histamine-releasing effect.
Calcium propionate is a mold inhibitor used mostly in bread and baked goods, and it tends to be a low-concern additive for histamine.
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No histamine source: It contains no histamine and isn't known to trigger histamine release or slow its breakdown.
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Some uncertainty: SIGHI, the Swiss list the app follows, leaves it unrated, and some people do report reacting to propionates, though those reactions aren't clearly histamine-related.
If you're curious, comparing a preservative-free bread with a regular one may help you notice any personal pattern.
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For educational purposes only. Not medical advice. Consult a healthcare professional for personal guidance.
References
- SIGHI Food Compatibility List — SIGHI (2026)
- Histamine and histamine intolerance — Maintz & Novak (2007)
- Histamine Intolerance: The Current State of the Art — Comas-Basté et al. (2020)
- Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? — Sánchez-Pérez et al. (2021)
- Histamine Intolerance: Symptoms, Diagnosis, and Beyond — Jochum (2024)
- Guideline on management of suspected adverse reactions to ingested histamine — Reese et al. (2021)