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OthersINS 920

E920 - L-Cysteine

Dietary VerdictMushbooh

Biochemical Description & Origin:

Amino acid used as a flour treatment agent to improve dough elasticity. Sourced from duck/poultry feathers, human hair, or microbial synthesis.

Scholarly & Fiqh Consensus

OIC Fiqh Academy prohibits L-cysteine derived from human hair.

Common Packaged Food Applications:

Commercial sandwich breadPizza crustsTortillasCroissants

Products & Brands containing E920

Cross-referenced from certified brand guides and audited retail barcode catalog

1 Verified Entry
Standard Retail OthersMushbooh

Brand: Supermarket Brands

Commonly formulated into Commercial sandwich bread, Pizza crusts, Tortillas. Check ingredient origin.

Retail Scan Catalog

Frequently Asked Questions About E920 (L-Cysteine)

Q:Is E920 (L-Cysteine) Halal, Haram, or Mushbooh?

E920 is classified as Mushbooh in Islamic dietary jurisprudence. Sourced from human hair = Strictly Haram (sacredness of human body). Sourced from duck feathers = Halal if feathers from halal birds. Sourced from microbial fermentation = Halal. Look for synthetic or microbial certification.

Q:What is the origin and source of E920?

The biological/chemical origin of E920 is Animal. Amino acid used as a flour treatment agent to improve dough elasticity. Sourced from duck/poultry feathers, human hair, or microbial synthesis.

Q:What supermarket foods commonly contain E920?

E920 is frequently formulated into: Commercial sandwich bread, Pizza crusts, Tortillas, Croissants.

Q:What do Islamic scholars and certifiers say about E920?

OIC Fiqh Academy prohibits L-cysteine derived from human hair.