Black sesame is the black seed of flax, which contains a lot of fat and protein, as well as nutrients such as sugar, vitamin A, vitamin E, lecithin, calcium, iron and chromium. Can be made into all kinds of delicious food. Most of the fat contained in black sesame is unsaturated fatty acid, which has the function of prolonging life.

Black beans are black seeds of leguminous soybeans. Also known as black beans, black beans, sweet and flat. Black beans have the characteristics of high protein and low calorie. The content of protein in black beans is as high as 40%, which is twice that of meat, three times that of eggs and 12 times that of milk. Black beans contain 18 amino acids, especially 8 amino acids necessary for human body. Black beans also contain 19 kinds of oleic acid, which can not only meet the human body's demand for fat, but also reduce blood cholesterol.