Internal use
- Diarrhea: Walnut leaves, on account of their content in tannins, are astringent and they can be used to combat diarrhea (Decoction of a spoonful of dry crumbled leaves in a glass of water during 10 minutes. Drink a couple of glasses a day).
- Perspiration: This same preparation can be used to treat the excess of perspiration.
- Intestinal worms: Walnut oil has been used to expel tapeworms. (At the evening meal, seasoning a dish of boiled potatoes with 60 g of walnut oil)
External use
Walnuts are very rich in juglone contained in the leaves and shucks of walnut fruits. This is an astringent , antifungicide and antiseptic substance which can be used as vulnerary and germicidal as follows: