Assertion: vanillin's effect | /r/HasProperty | visible
Facets:
value: with pure ceylon cinnamon
type: OTHER
Source sentences:
text: The powdered bark is harder to distinguish, but if it is treated with tincture of iodine (a test for starch), little effect is visible with pure Ceylon cinnamon, but when Chinese cinnamon is present, a deep-blue tint is produced.