No.

Bleached walnut meat is yellow in the center and white in the outer ring. You are Xinjiang walnuts.

The Xinjiang walnut originates mainly from Celle, Xinjiang, China. Deciduous trees, odd-pinnate compound leaves, leaflets oval, the drupe spherical, exocarp smooth, endocarp hard, wrinkled. It belongs to the seed plant family, the wood is tough and can be used for utensils, and the kernel can be eaten, oil can be extracted, and medicine can also be used. Native to the Near East, also known as walnuts, qiang peach, and lentils, cashews, hazelnuts and known as the world's famous "four big dry fruit". Can be eaten raw, fried food, but also can be squeezed oil, with pastries, candy, etc., not only taste, but also high nutritional value, known as the "Hurray", "longevity fruit".

Purchase walnuts generally choose some color bright (bright brown best), feel heavier, bleached walnut surface more white, but no luster. Walnut shells are hard, but if soaked in chemicals, will also contaminate the shell of the walnut kernel, so try not to choose brown white walnuts.