Assertion: vanillin | /r/CapableOf | change color
Facets:
value: at encountering alkali or alkaline material
type: TEMPORAL
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.