Blackberries have been used through the ages for a variety of medicinal purposes, from diarrhea to a general restorative.The main chemicals present in blackberries are gallic acid and tannin, and it is present in every part of the plant.Blackberries picked and dried then powdered can be stored and used with a small amount of water to counter act diarrhea. The tea made from the leaves, steeped in
