Ground cinnamon

Ground inner bark of Cinnamomum trees, either Ceylon cinnamon (C. verum) or cassia types.

Characteristics

Its aroma comes mainly from cinnamaldehyde, dominant in the bark essential oil.
Also contains eugenol and coumarin, the latter mostly in cassia.
Ceylon cinnamon and cassia differ in composition.
Cited in traditional literature for powders and infusions.

Role in the preparation: Used as a powder or infused in water or alcohol to extract its aromatic compounds.

Caution: Cinnamaldehyde is a skin sensitizer: wear gloves, avoid eye contact and dust inhalation, and check local regulations before any use.

Sources: Première Peau – Cinnamon (glossary)

Documentary information: this is neither a recommendation for use nor a plant-protection or veterinary claim. Check your country's regulations before any use.