Assertion: cinnamon's bark | /r/MadeOf | tannin
Facets:
Source sentences:
text: The dried inner bark of Ceylon cinnamon contains steam-volatile oils, fixed oils, tannin, resin, proteins, cellulose, pentosans, mucilage, starch, calcium oxalate and minerals.
text: A tree native to the Indian subcontinent, the bark of which contains cinnamanic aldehyde, eugenol and tannins; it is antibacterial, carminative, stimulates the appetite and is used for gastrointestinal complaints.