Black glutinous rice has flat black stems and is rounder\x0d\Black glutinous rice is rice with a purple-red seed coat. Because the rice is glutinous, it is also called blood glutinous rice, natural blood glutinous rice. After soaking in warm water, as the red pigment of the seed coat is slowly dissolved by the aqueous solution, a purple-red aqueous solution will gradually appear. As time goes by, the red color becomes more and more intense. And after cooking, the red seed coat will separate from the embryo (rice grain). Fake blood glutinous rice is made from low-quality rice dyed with purple-red pigment. The most obvious difference is that after soaking in water, the water turns red faster than the original blood glutinous rice. After washing it a few times, the original shape of the white rice will be revealed, and no red seed coat appears after cooking. \x0d\ \x0d\Purple rice is a kind of rice. It is named because the rice grains are elongated and purple in color. There are two types of purple rice: purple on the outside and white on the inside but not waxy, and purple on the outside and waxy on the inside. Purple rice is fragrant, oily, shiny and soft. Purple rice has relatively high nutritional value and medicinal value, and has many functions such as nourishing blood, strengthening the spleen, regulating the mind, and treating neurasthenia. Purple rice is even more precious due to its various advantages and low yield. \x0d\ \x0d\ Strictly speaking, purple rice and black rice are two kinds of rice. Although they both belong to the glutinous rice category, their nutritional components and functions are different. However, some dealers on the market do not pay attention to segmentation when selling. Equating purple rice with black rice and selling them together as black rice