Walnuts are round, single-seeded stone fruits that grow from the walnut tree. They are a good source of healthful fats, protein, and fiber. They may enhance heart and bone health and help in weight management, among other benefits.
Walnut trees are native to eastern North America but are now commonly grown in China, Iran, and within the United States in California and Arizona.
Beneath the husk of the walnut fruit is a wrinkly, globe-shaped nut. The walnut is split into two flat segments to be sold commercially. Walnuts are available both raw or roasted, and salted or unsalted.
walnut oil can benefit endothelial function
whole walnuts can enhance the process of eliminating “bad” LDL cholesterol,Results of a meta-analysis published in 2009 suggested that a diet that is high in walnuts is linked to improved lipid and cholesterol profiles. The researchers also concluded that walnuts may also help reduce oxidative stress and inflammation.