What You Need to Know
The controlled heating (150–170 °C) initiates Maillard browning and volatilizes essential oils, producing aromatic pyrazines. Simultaneously, it reduces moisture from ~12 % to <5 %, inhibiting microbial growth and preserving capsaicin, piperine, and curcumin‑like compounds.
The Science
Primary Reaction
Maillard browning and essential oil volatilization