Assertion: flax's oil | /r/CapableOf | become upon exposure
Facets:
value: to oxygen
type: OTHER
value: much more quickly
type: MANNER
Source sentences:
text: Though flax seeds are chemically stable while whole, ground whole seeds or oils become rancid much more quickly upon exposure to oxygen, and require special storage (generally refrigeration or in sealed packaging) to remain nutritious for even a short period of time.