What You Need to Know
During controlled roasting at 120–150 °C, the spices release essential oils such as eugenol, cinnamaldehyde, anethole, and linalool, creating a complex aromatic profile. The synergy of these volatiles imparts the characteristic sweet, warm, and peppery flavor while masking raw bitterness.
The Science
Primary Reaction
Roasting 120–150 °C for 10–15 min releases essential oils