E920
L-Cysteine
Flour Treatment Agent · Also: L-cysteine hydrochloride
Natural amino acid often derived from human hair or duck feathers. Used as dough conditioner. Safe.
Found in
Bread, Pizza dough, Bakery products
Daily intake limit
Not specified
Body systems affected
Digestive
Generally well tolerated
What the research says
Research on L-Cysteine (E920) is ongoing. Regulatory agencies have evaluated its safety for permitted uses.
Allergenic potential: Low
FDA Permitted
EFSA Approved
WHO Evaluated
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