How does fermentation-produced chymosin (bio-chemically engineered rennet) compare to real mammalian rennet? Does it affect the flavor of the cheese?

1 Answer 1


it’s also known as recombinant chymosin. Per wikipedia:

FPC contains the identical chymosin as the animal source, but produced in a more efficient way.

Since it’s essentially produced by the same genes, the molecular structures of both products should be identical, thus the results.

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