In general, pyrazines can exhibit a variety of aromatic characters ranging from earthy, potato to peasy.
But depending on the exact molecule within this family, pyrazines can also exhibit nutty/roasted notes which play an important role to the quality of roasted coffee.
So the next time your cupping an exotic coffee - think 'bell pepper" and you may very well find it. Want to leave a comment, please feel free to do so below.