walnut

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Related to Juglans species: walnut tree, English walnut tree, Persian walnut

walnut

The ridged edible seed of a deciduous tree of the genus Juglans. Walnuts are a source of dietary fat; they reduce the risk of ischaemic heart disease by lowering cholesterol and favourably modifying the lipoprotein profile. Other nuts (e.g., almonds, hazelnuts) are thought to have similar effects.