Vitamin E contained in walnut kernel can protect cells from oxidative damage by free radicals, which is recognized as an anti-aging substance in the medical field, so walnut is called "longevity fruit". eat

Walnut kernel can nourish blood vessels, increase appetite, blacken beard and grow hair, which is beneficial to brain and nerve. It is an auxiliary drug for the treatment of neurasthenia, which can delay the memory decline and has the functions of strengthening the brain and improving intelligence.