Chemical Properties
CLEAR LIGHT YELLOW LIQUID
Chemical Properties
2,3-Diethyl-5-methylpyrazine has a nutty, roasted, vegetable aroma.
Occurrence
Reported to be present in coffee, filberts, potato products, Parmesan cheese, chicken, beef, pork, cocoa, peanuts, popcorn, sesame seed and corn tortillas.
Uses
2,3-Diethyl-5-methylpyrazine is a volatile compound found in food such as almonds and swiss cheese.
Definition
ChEBI: 2,3-Diethyl-5-methylpyrazine is a member of pyrazines.
Preparation
By condensation of 3,4-hexanedione with propylene diamine.
Aroma threshold values
Detection: 0.09 to 1 ppb
Taste threshold values
Taste characteristics at 2.5 ppm: musty, toasted; nutty, potato, cocoa, earthy and dirty.
General Description
2,3-Diethyl-5-methylpyrazine has been identified as a potent odorant in coffee sample and has been evaluated by gas chromatography-olfactometry of decreasing headspace samples.
