Is e524 natriumhydroxid vegan?
E524 natriumhydroxid is a vegan food ingredient.
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"You are amazing, this has saved me so much time when grocery shopping!"
— Austin, a user who reached out with feedback
"It's been a great tool since starting my journey! You take a pic of the nutrition/ingredients, and it'll warn you of anything questionable or not vegan. 😁"
— Ashe, a Vegan For Beginners Facebook Group member
"Use a vegan app when you go shopping, I use WhatsVegan."
— Dóra, a Vegan For Beginners Facebook Group member
So, what is e524 natriumhydroxid?
E524 natriumhydroxid is the German and Scandinavian label name for sodium hydroxide, an inorganic compound commonly known as lye or caustic soda that is designated by the food additive code E524. It is produced industrially through the chlor-alkali process, which involves the electrolysis of sodium chloride brine derived from rock salt or seawater.
In food production, sodium hydroxide serves as an acidity regulator, peeling agent, and processing aid. It is commonly applied in the commercial preparation of German-style lye pretzels and bagels to produce a crisp, dark crust. It is also used to process cocoa powder, cure olives, soften hominy, and chemically peel potatoes and fruits.
Sodium hydroxide is considered vegan because it is derived exclusively from mineral and synthetic sources. The entire manufacturing process utilizes salt, water, and electricity, requiring no animal tissues, animal byproducts, or animal-derived processing aids.
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