Juglans regia variations in fatty acid content of the nuts: Walnuts and other tree nuts are important food-allergen sources that have the potential to be associated with life-threatening, IgE-mediated allergic reactions in some individuals. Certain extracts of walnuts have "in vitro" antioxidant and antiproliferative activity due to a high phenolic content. "Juglans regia" is used to treat Diabetes mellitus symptoms in Austrian traditional medicine, whereby air-dried leaves are used as aqueous decoction or liquor preparation and are consumed on a daily basis. In Skopelos, a Greek island in the Aegean Sea, local legend suggests whoever plants a walnut tree will die as
Fruit tree forms whilst keeping the tree short and accessible for harvesting. Other shapes such as cordons, espaliers and fans offer opportunities for growing trees two dimensionally against walls or fences, or they can be trained to function as barriers. Some of the following fruit tree forms require training by tying the branches to the required form. Most require pruning to retain the desired structure. However, not all types of fruit tree are suitable for all forms; apples and pears do well as cordons and espaliers, for example, whereas cherries are more suited to the fan form. An open-centred crown on a short