The thin skin inside the walnut contains zinc, manganese, chromium and other indispensable trace elements, can be anti-aging to promote glucose utilization, cholesterol metabolism and protection of cardiovascular function.

Walnut kernel for walnut kernel inside the pulp, also known as walnut kernel, walnut meat. Walnut for the walnut family, walnut plants, trees, up to 20 ~ 25 meters; trunk is shorter than other species, the canopy is broad; bark gray-green when young, when old, gray and longitudinally lobed; branchlets are glabrous, glossy, peltate bearing glands, gray-green, and later brownish. Walnut bark is more toxic, can be used as medicine, treatment of skin pus boils and so on.

Walnut kernel contains more protein and essential unsaturated fatty acids, these components have a very good brain effect, can nourish brain cells, enhance brain function. Walnut kernel contains a large amount of vitamin E, often eaten to moisturize the lungs, the role of black hair. Vitamin E contained in walnuts can protect cells from oxidative damage caused by free radicals.