Amino acid used as a dough conditioner to improve elasticity in commercial bread. Often derived from feathers, hair, or synthesized microbially.
L-Cysteine has no known health concerns in the amounts typically used in food.
Score impact: No penalty on the FoodsScan score (FoodsScan scores run 0–100, where 100 is best.)
Found in 95 of 12,846 analysed products in the FoodsScan database.
Regulatory sources: EFSA, FDA
L-Cysteine is also known as e920, цистеин, л-цистеин, l-cysteine — these all refer to the same ingredient.
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