pyrazine

Noun

Meaning

pyrazine (plural pyrazines)

(organic chemistry) A diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.

Examples

At the time of veraison, when the grapes first start to fully ripen, there is the equivalent pyrazine level of 30 ng/l. Source: Internet

In cooler climates, it is difficult to get Cabernet Sauvignon grapes to ripen fully to the point where pyrazine is not detected. Source: Internet

To the human palate this compound is detectable in wines with pyrazine levels as low as 2 nanograms (ng) per liter. Source: Internet

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