Complex sentence: The majority of the applied chymosin is retained in the whey and some may remain in cheese in trace quantities and in ripe cheese, the type and provenance of chymosin used in production cannot be determined.
Split into simpler sentences: The majority of the applied chymosin is retained in the whey and some may remain in cheese in trace quantities. In ripe cheese, the type and provenance of chymosin used in production cannot be determined.