Acid or acidity regulator

E524 (sodium hydroxide): what it is, its sources, vegan or not

E524 is sodium hydroxide, an acidity regulator. E524 comes from minerals. Vegan and vegetarian profiles get Fits you.

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By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Fits you

for a vegan profile

E524=minerals

What is E524?

E524 (sodium hydroxide) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is. The lye that gives pretzels their dark, shiny crust.

What is E524 made from?

  • Minerals

Is E524 vegan?

Fits you. E524 comes from minerals. Nothing from an animal.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

What the app says to each profile, and the reason it shows.

VeganFits youE524 comes from minerals. Nothing from an animal.
VegetarianFits youE524 comes from minerals. Nothing from an animal.

What other names does E524 have on a label?

Any of these on a pack means E524. The checker reads them all.

E524E 524E-524INS 524Acidity regulator (524)Acidity regulator (E524)Sodium hydroxideCaustic sodaLye

What would change the answer for E524?

For E524, only the ingredient list itself. A code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.

Sources: EU, US and Codex additive rules

Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.

  1. EU Regulation 1333/2008 on food additives (the E-number list)
  2. EU Regulation 1169/2011, Annex II: the allergen sources a label must name
  3. US FDA: Food Additive Status List
  4. FAO/WHO Codex: General Standard for Food Additives (GSFA) online

Names and classes cross-checked with Open Food Facts (Open Database License).

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