Assertion: vanillin | /r/CapableOf | oxidize in the air
Facets:
value: gradually
type: MANNER
Source sentences:
text: It is vulnerable to light, and gradually oxidized in the air, easy to change color at encountering alkali or alkaline material.
text: It is vulnerable to light, and gradually oxidized in the air, easy to change color at encountering alkali or alkaline material.