Vegetarian Rennet
Also known as: vegetable rennet, non animal rennet
Microbial and fermentation-produced chymosin (FPC) is FDA-affirmed GRAS and used worldwide in cheesemaking with no safety concerns at typical use levels.
What it is
Microbial- or fermentation-derived enzymes (chymosin) used as a non-animal alternative to traditional calf rennet for cheesemaking.
Coagulates milk proteins to form cheese curd.
What regulators actually say
"FDA GRAS Notice Inventory includes multiple notifications for fermentation-produced chymosin (chymosin from Aspergillus niger, Kluyveromyces lactis, etc.)."
"EFSA scientific opinion on safety and efficacy of chymosin food enzyme."
Regulatory status
United States — FDA
Fermentation-produced chymosin GRAS (e.g., GRAS Notice for FPC); microbial coagulants permitted.
European Union — EFSA
EFSA has positively assessed several fermentation-derived chymosin preparations.
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