The reasons for the color of Guizhou glutinous rice soy sauce are as follows:

Varieties of glutinous rice: Different varieties of glutinous rice will produce different colors during processing and cooking.

2. Cooking method: When cooking glutinous rice, some seasonings or sauces, such as soy sauce and sauce, will be added to the glutinous rice to increase the flavor. The color of these sauces will be absorbed by glutinous rice, making the whole glutinous rice appear soy sauce color.

3. Cooking time and heat: Cooking time and heat of glutinous rice will also affect its color. The longer the cooking time, the higher the heat, which will lead to the dark color of glutinous rice.