It is a kind of powdered food, especially a processing technology for making bamboo powder from dried bamboo shoots, which comprises the following steps: slicing dried bamboo shoots, boiling them in a solution containing a proper amount of citric acid for several minutes, then boiling them in a solution containing a proper amount of salt for several minutes, and then drying and grinding. Keeping the original flavor of dried bamboo shoots, it is hygienic and convenient to eat, suitable for all ages, and adds a new seasoning to food cooking.

Bamboo shoots are the tender stems and buds that bamboo first grows from the soil, also known as "bamboo shoots", which can be cooked and eaten. Edible people mainly include "bamboo shoots", "kind bamboo shoots" and "hemp bamboo shoots".

Bamboo shoots are the young shoots of bamboo. As the name implies, spring is "spring bamboo shoots"; The harvest in summer and autumn is called "summer bamboo shoots"; What is collected in the soil in winter is "winter bamboo shoots". The bamboo shoots that we can eat alone are Phyllostachys pubescens, light bamboo shoots, hemp bamboo shoots and kind bamboo shoots ... to say the least, there are more than 80 kinds. After further processing, bamboo shoots are transformed into dried bamboo shoots, bamboo shoots, shredded bamboo shoots, pickled bamboo shoots, sour bamboo shoots and preserved bamboo shoots.

Winter bamboo shoots are bamboo shoots hidden in the soil in winter. The two tips are like boats, the flesh color is milky white, and the shell is thin and tender. Although the qualifications of winter bamboo shoots are old, their freshness and tenderness are not discounted, and their value is often a little higher than that of spring bamboo shoots.