Black seed and black sesame，It was originally called flax. Black seed and black sesame seed are black and white. In addition to different colors, the shape and size of the same, flat and slightly elliptical, large on the top and small on the bottom, with edges.

Black in color and light in taste. After frying, a spoonful full, chewy has a light fragrance sweet, not bitter.

which was introduced into China by Zhang Qian during his journey to the Western Regions in the Western Han Dynasty. It for medicine and food varieties. It has the effect of tonifying kidney and black hair. Long-term consumption, has the effect of medical care.