fermented drink made from ground beans

Bean juice is made from mung beans through nine processes, including screening, elutriation, soaking, grinding, pulping, fermentation, powder filtering, precipitation and boiling. The color is gray-green, the juice is strong and mellow, and it tastes sour and slightly sweet. It is advisable to eat hot food with shredded spicy pickles and sesame seed cake and inby. It has a production history of more than a thousand years.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)