Assertion: sulfur dioxide | /r/ObjectUse | used as a food preservative
Facets:
value: in dried fruits
type: LOCATION
Source sentences:
text: Although its chief uses are in the preparation of sulfuric acid, sulfur trioxide, and sulfites, sulfur dioxide also is used as a disinfectant, a refrigerant, a bleach, and a food preservative, especially in dried fruits.