Plant or mineral

Microbial rennet

Common US / international name: microbial / fermentation rennet

Origin: Coagulating enzymes from microbes or fermentation-produced chymosin, not calf stomach.
Where it typically appears: Many supermarket cheeses labeled vegetarian.
Product groups: Dairy
Source: Open Food Facts ingredients taxonomy (ODbL); food chemistry references. As of September 1, 2026