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Alkylpyrazines are chemical compounds based on pyrazine with different substitution patterns. Some alkylpyrazines are naturally occurring highly aromatic substances which often have a very low odor threshold and contribute to the taste and aroma of various foods including coffee and wines. Alkylpyrazines are also formed during the cooking of some foods via Maillard reactions.
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2,5-Dimethylpyrazine
2,5-Dimethylpyrazine is used as flavor additive and odorant in foods such as cereals and products such as cigarettes. It occurs naturally in asparagus, black or green tea, crispbread, malt, raw shrimp, soya, squid, Swiss cheeses, and wheat bread.
The chemical formula is C6H8N2.
2,6-Dimethylpyrazine
2,5-Dimethylpyrazine is also used as flavor additive and odorant in foods such as cereals and products such as cigarettes. It occurs naturally in baked potato, black or green tea, crispbread, French fries, malt, peated malt, raw asparagus, roasted barley, roasted filberts or pecans, squid, wheat bread, wild rice (Zizania aquatica), and wort.
The chemical formula is C6H8N2.