2. Preserve after boiling: When preserving winter bamboo shoots for a long time, you can also cook them in clear water until later. When cooking, you need to cut fresh winter bamboo shoots into thick slices, then cook them in clear water for half an hour, then take them out, rinse them directly with clear water, and then put them into fresh-keeping bags and put them directly in the refrigerator for freezing preservation. When eating, they can still be kept fresh.
3. air-drying preservation: air-drying is also one of the common methods for long-term preservation of winter bamboo shoots. When you want to preserve winter bamboo shoots, you can put clear water in the pot, add appropriate amount of edible salt, boil them to make concentrated brine, then put pig blood in the pot, cook it directly, take it out half an hour later, remove the water, directly dry it in the sun, and then it can be preserved for a long time. When you want to eat it, take it out and soak it in clear water.
4. Storage method of cooking by stove fire: bury the dug winter bamboo shoots in the fire with their shells (the bamboo shoots are soft and have no hard feeling when pinched by hands). Take it out after simmering, put it in a cool and humid place and discharge it vertically. When eating, remove its shell, cut it into thin slices, and rinse it with water to remove the bitterness. The winter bamboo shoots preserved by this method can be stored for 35-45 days.
5. Sand storage method: Take a wooden barrel or a cardboard box, spread wet river sand at the bottom with a thickness of 7-1 cm, arrange the tips of intact winter bamboo shoots upward in the wooden barrel or cardboard box, then fill the gap with river sand, then spread a layer of river sand with a thickness of 7-1 cm, and then move it to a cool and ventilated place, which can be stored for 3-5 days without deterioration.
6. Sealed storage method: Take clean winter bamboo shoots and put them into an altar or jar, then cover them with two layers of plastic films and tie them tightly to prevent air from entering; Or take an airtight plastic bag, pack winter bamboo shoots, tie the bag mouth tightly, and put it in a cool and ventilated place. Winter bamboo shoots can be stored for 2-3 days by this method.