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Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
pyrazine
Pyrazine is a specialized term used primarily in organic chemistry and food science. It is most frequently discussed in the context of aroma chemistry, as many pyrazine derivatives are responsible for the characteristic smells of roasted foods, such as coffee, cocoa, and toasted nuts.
As a chemical compound name, it functions as an uncountable noun when referring to the substance in general. It is rarely pluralized unless referring to a specific group of different pyrazine-based chemical structures (pyrazines), though in a standard laboratory or academic context, the singular form is the norm.