E921: L-cystine

What it does

Makes dough easier to work.

What it is made from

Made from poultry feathers, hair or synthetically.

Allergies and diets

• Animal-derived? Can come from animals (not always vegetarian or vegan).
• Not pescetarian? Can come from meat or slaughter by-products (not pescetarian).
• Not vegetarian? Can come from meat, fish or slaughter by-products (not vegetarian).
• Not vegan? Can come from animals, milk, egg or honey (not vegan).

General information, not medical advice. Sources differ between manufacturers: check the label or ask the maker.

Flour treatment agents

• E920 L-cysteine
• E927b Carbamide

← E920E927b →