The real purple rice after washing will also have the phenomenon of color loss, because purple rice has a kind of water-soluble substances called anthocyanins, this pigment will be in the washing purple rice when dissolved into the water, which led to the phenomenon of purple rice color loss.

The purple rice grains are long and thin, and the grains are full and uniform. The appearance of the color is purple-white or purple-white with small purple pieces. The color of the water is black when washed with water. With the same hand grasp easy to stay in the fingers of the purple-black color. After scraping the color pieces on the rice grains with fingernails, the grains are still purple-white. Cooking pure purple rice crystal, translucent, glutinous (sticky), and sweet and delicate, good taste.