E524 (Sodium Hydroxide/Lye) is rated Generally Safe by CheckIt AI. Strong alkali used in pretzel making and olive curing. Neutralized in final product.
Generally Safe Preservatives
Strong alkali used in pretzel making and olive curing. Neutralized in final product.
Read our complete guide: Food Preservatives: Safe vs Dangerous Guide
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CheckIt AI. (2026). "What Is E524 (Sodium Hydroxide/Lye)? Safety, Side Effects & Foods That Contain It (2026)". Climaverse PBC. Retrieved from https://getcheck.it/glossary/e524"What Is E524 (Sodium Hydroxide/Lye)? Safety, Side Effects & Foods That Contain It (2026)." CheckIt AI, Climaverse PBC, 2026-04-18. https://getcheck.it/glossary/e524.<a href="https://getcheck.it/glossary/e524">What Is E524 (Sodium Hydroxide/Lye)? Safety, Side Effects & Foods That Contain It (2026) — CheckIt AI</a>@misc{checkit2026glossarye524,
title = {What Is E524 (Sodium Hydroxide/Lye)? Safety, Side Effects & Foods That Contain It (2026)},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/glossary/e524},
note = {Retrieved 2026-04-18}
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