Tip #3 Consider phenolics when picking grapes for red wine

In Tip #2 we talked about a few reasons you might let your red grapes hang a bit longer, including the decrease in pyrazine and evolution of berry aromas after the end of sugar loading. Another thing to keep in mind is the extractability of phenolics including anthocyanins and tannins. When you pick will impact the extractability of different types of tannin and drive wine style.