Wine Nerd Alert! What is Pyrazine?

Pyrazine is a heterocyclic aromatic organic compound. Got that? Good! For those of us who don’t have a degree in Chemistry (me included), the relevance of Pyrazine to wine is that it gives it a “green” taste / aroma.  It doesn’t take much for you to detect it  either, around 2 parts per trillion to be exact. It’s stated that a single grape amongst tonnes of grapes will change the aroma of the entire batch…

Read More