2. Use plastic wrap: For some vegetables that are not easy to store, supermarkets can clean the vegetables and seal them with plastic wrap, which can keep the vegetables fresh for a long time.
3. Control inventory: supermarkets sell a lot of fresh food every day. To ensure that fresh food does not deteriorate, it is necessary to control the inventory and prevent the backlog of vegetable inventory.
4. Refrigeration: Refrigeration can keep vegetables at constant temperature at all times and is not easy to deteriorate. Cold storage should be clean and hygienic to avoid polluting vegetables.
5. Same-day sales: Supermarkets can control their inventory and try to sell vegetables every day. Buy fresh vegetables every day and sell them on the same day.
6. Use the fresh-keeping cabinet: put the vegetables sold in the fresh-keeping cabinet to ensure that the vegetables are fresh all day.
7. Humidify vegetables: Vegetables contain a lot of water, and once they are short of water, they will not be fresh. Therefore, supermarkets can install humidification devices in vegetable storage areas to replenish water to vegetables regularly. This helps to keep the color of vegetables and improve the freshness.
8. Keep the environment in the supermarket: Vegetables have higher requirements for the surrounding environment. Once the environment does not adapt, it is easy to deteriorate. Therefore, it is necessary to keep the temperature and humidity in the supermarket to keep vegetables fresh for a long time in a suitable environment.
9. Classified storage: Each vegetable has different requirements for the environment. Supermarkets should store different kinds of vegetables in different categories to keep them fresh for a longer time in an adaptive environment.