What You Need to Know
During Hangi, the pit temperature rises to 70–80 °C, allowing proteins to denature (60–80 °C) and Maillard reactions to occur (140–165 °C) as the heat from the stones (200–250 °C) diffuses through the food. Starch gelatinization (60–70 °C) softens root vegetables, while controlled moisture loss (30–40 %) and lipid oxidation generate complex flavor compounds such as melanoidins, pyrazines, and furans.
The Science
Primary Reaction
Maillard reaction