Cinnamon leaf oil vs bark oil distillation: eugenol vs cinnamaldehyde chemical fractions?
3 Answers from travellers
Cinnamon leaf oil and cinnamon bark oil are chemically distinct products derived from Cinnamomum verum. Leaf oil is extracted from field prunings using large galvanized steam retorts fueled by spent firewood; its primary constituent is Eugenol (75-85%), yielding a clove-like, phenolic aroma with low cinnamaldehyde levels (under 5%). Bark oil is distilled from inner bark chips and quill trimmings in closed copper stills; its primary compound is Cinnamaldehyde (65-75%), yielding an intensely sweet, pungent aroma. Operating steam boilers above 105°C scorches the botanical material and caramelizes natural sugars, clouding the oil and lowering export quality.
Leaf oil is heavier and denser than water and sinks to the bottom of the Florentine collection flask, whereas lighter volatile terpenes float on top.
Export documentation requires gas chromatography (GC-MS) analysis certificates to prove absence of synthetic petroleum adulterants or cassia extracts.
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