1, bamboo shoot pretreatment: screening and molding bamboo shoot raw materials.

2, bamboo shoot cooking: cooking the screened bamboo shoots.

3. Anti-corrosion solvent configuration: 2 ~ 5% ethanol ~ water solvent is configured.

4. Preparation of antiseptic solution: each antiseptic component consists of the following percentages: 1 ~ 2% of sodium d- erythorbate, 2 ~ 3% of chitosan, 0. 1 ~ 0.5% of natamycin, 0. 1 ~ 0.5% of tea polyphenols and 2 ~ 3.

5. Pre-packaging of bamboo shoots: bagging and packaging the color-protected bamboo shoots.