Assertion: sweet potato's tuber | /r/HasProperty | soaked in a vinegar-water solution
Facets:
value: briefly
type: MANNER
value: to neutralize irritant oxalate crystals
type: PURPOSE
Source sentences:
text: Mountain yam is eaten raw and grated, after only a relatively minimal preparation: the whole tubers are briefly soaked in a vinegar-water solution to neutralize irritant oxalate crystals found in their skin.