Short for alkyl-methoxypyrazines, pyrazines are chemical compounds generally found in higher levels in the classic Bordeaux varietals- Sauvignon Blanc, Cabernet Franc, Cabernet Sauvignon, Merlot, Carménère and Malbec. It often contributes savory flavors, such as green pepper, fresh herbs, and asparagus. At its best, these can make wines more flavorful and complex, however, they can also make wines incredibly polarizing.