Assertion: l tryptophan | /r/AtLocation | gene-spliced bacteria
Facets:
value: without any safety testing
type: OTHER
Source sentences:
text: According to U.S. law, the company was allowed to sell the L-tryptophan produced in gene-spliced bacteria without any safety testing because it and other firms had been selling the supplement produced in non-genetically engineered bacteria for years without ill effects.