The Black Walnut (Juglans nigra L.) is a native of eastern North America, where it grows, mostly alongside rivers, from southern Ontario, Canada west to southeast South Dakota, south to Georgia and southwest to central Texas.

GoldBamboo

... Black walnut contains two main types of active chemicals -- juglone and astringents known as tannins. Juglone may have antibiotic and antifungal effects. Black walnut has been used to relieve both constipation and diarrhea due to a normalizing effect that juglone may exert on intestinal tissue. It is thought to have some effectiveness, as well, for eliminating internal parasites such as tapeworms. Astringents shrink and tighten the top layers of skin or mucous membranes, thereby reducing secretions, relieving irritation, and improving tissue firmness. These effects may contribute to the antidiarrheal properties of oral black walnut preparations as well as giving them some usefulness for treating other gastrointestinal complaints such as indigestion. All of these uses are based on case reports; however, none have been verified through clinical studies in humans. ...
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?Black Walnut Black walnut mature fruit and fall leaves Scientific c ...
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