Mung bean vermicelli is a popular snack in Guanzhong, Shaanxi Province. It is a kind of vermicelli made of mung bean starch, which is rich in protein and other nutrients. It is a good product for traditional summer cooling. The required ingredients are mung bean powder, alkali, mustard and various seasonings.
The vermicelli made of pure mung bean starch is milky white or slightly egg blue. If the vermicelli is green, it is made of pigment or dye.
Pure mung bean vermicelli has a certain hardness and elasticity when kneaded by hand, but it has toughness when pulled by hand. For example, the fake vermicelli mixed with sweet potato powder is darker in color than the real one, and its elasticity and toughness are poor.