Walnuts are rounded, single-seeded stone fruits of the walnut tree commonly used for the meat after fully ripening. During the ripening process, the husk will become brittle and the shellhard. The shellen closes the kernel or meat, which is usually made up of two halves separated by a partition. Walnut are high in protien,vitamins,omega 3 fatty acids,trace minerals,lecithin & oils.compared with other nuts,which typically contain a high amout of monounsaturated facts,walnuts are unique because the facts in them are primarily polyunsaturated fatty acidsand are only nut with a significant amount of alpha-linolenic acid.