Recipe - Process - Tasting

I think blackberry wine is going to be a little bit tougher to pull off than the cider and pineapple wine were though. Blackberries contribute color and flavor to the wine by fermenting on the skins, much like grapes, and controlling the amount of time spent on the skins is important in shaping the flavor of the finished product. With no experience in real wine making--grape or blackberry--this will be a bit of a krapfenschutz. (I do not think that word means what I think it means.)
According to this blog, the full sugar and acid content of blackberries can be extracted in the first 24 hours after macerating the berries and adding pectic enzyme to further break them down. After that, the color will continue to darken for a couple more days, but he writes that this is largely independent of flavor. It seems like tannins could continue to be extracted as it darkens, but that's just a personal guess. With that said I plan to leave the juice on the skins for 5 days, then let it ferment out another week before racking.
As for yeast, I've read advice from a number of places and it seems that most wine yeasts will work well. I ended up going with Lalvin 71B since it eats a small portion of the malic acid in the berries to give it a smoother character if the berries are a bit tart. It also does not produce a kill factor, so if I take the spent skins and reuse them in a beer, the wine yeast won't massacre the ale yeast.
The rest of the ingredients and process are pulled from Jack Keller's full bodied blackberry wine recipe.
Blackberry Wine -------------------------- Batch Size (fermenter): 5.00 gal Ingredients: ------------ Amt Name 30 lbs Blackberries 10 lbs Sugar, Table (Sucrose) 5.00 Items Campden Tablet 5.00 tsp Pectic Enzyme 1.0 pkg Lalvin 71B-1122 Estimated Cost: $10
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