Assertion: antifreeze's propylene glycol | /r/HasProperty | recognized for use
Facets:
value: generally
type: MANNER
Source sentences:
text: Because of its low chronic oral toxicity, propylene glycol was classified by the U. S. Food and Drug Administration as "generally recognized as safe" (GRAS) for use as a direct food additive, including frozen foods such as ice cream and frozen desserts.