Assertion: tryptophan | /r/HasProperty | produced
Facets:
value: abiotically
type: MANNER
Source sentences:
text: Although the exact causes for the outbreak are still not completely known, it is believed that a defective manufacturing process used by one company either introduced contaminants or caused reactions that formed toxic substances within the tryptophan that was produced.
text: In this case, it was the absence of certain biomolecules that was used as evidence that the tryptophan was produced abiotically: