Chemical Properties
It has an odor of roasted hazelnut with caramel popcorn nuances
Occurrence
Reported found in coffee
Preparation
From the corresponding dimethyl-ethylpyrazine by bromination, followed by oxidation to the ketone
Definition
ChEBI: 2-Acetyl-3,6-dimethylpyrazine is an aromatic ketone.
Aroma threshold values
Detection at 1%: musty roasted cocoa, nutty peanut with caramel-like nuance.
Taste threshold values
Taste characteristics at 5 ppm: almond, caramel, cocoa, hazelnut, peanut, pistachio, toffee and coffeelike.