Assertion: oxalic acid | /r/AtLocation | many foodstuffs
Facets:
Source sentences:
text: While any oxalic acid-containing plant, such as Oxalis, is toxic to humans in some dosage, the U.S. National Institutes of Health note that oxalic acid is present in many foodstuffs found in the supermarket and its toxicity is generally of little or no consequence for people who eat a variety of foods.