2. Monascus is a kind of red mold, and ancient Chinese people realized its edible value very early. Monascus has a wide range of uses. For example, before the invention of special sauce color (caramel) for ancient soy sauce, monascus was the main edible pigment of red food such as braised pork. Monascus is also an excellent raw material for food industry. For example, red rice wine (red wine) produced by using red yeast in Fujian and Taiwan Province provinces of China enjoys a high reputation in the markets of Southeast Asia, Hong Kong, Macao and Taiwan, and is deeply loved by consumers. It is recognized as having the functions of relaxing muscles and activating blood circulation and strengthening the body. Japanese people are deeply influenced by China culture, and they also like red koji very much. For example, in rural Japan, red koji is added when curing pork. Under the action of monascus protein phenol, cured meat is fresh and tender, and its appearance is dark red, which greatly increases people's appetite.

3. Redmi, the name of traditional Chinese medicine. Indica rice, japonica rice, glutinous rice and other rice are used as raw materials and fermented by red yeast, which is brown-red or purple-red rice.