Mung bean starch, also called mung bean flour, is a powdery white substance derived from mung beans. The beans are soaked overnight to loosen their skin and then taken through a wet milling process that results in a ground paste or slurry, which is then filtered and dried.
The mung bean is also known as the moong bean, green gram or golden gram. It is part of the legume family is generally cultivated in China, India and Southeast Asia, where it thrives in hot, dry conditions.
Mung beans are popular in Chinese and Indonesian cuisine, where they are used to make sweet treats and porridge-like dishes. Mung bean paste is also used as a filling in Chinese mooncakes or blended, sweetened and served as a beverage.