Generally, it is soaked in clean water for about 15 minutes, and then washed with running water for two or three times. This method is suitable for leafy vegetables, such as spinach, lettuce, Chinese cabbage and Flammulina velutipes.
2. Heating method
Remove the dirt on the surface of vegetables with clear water, then put it in boiling water for 2~5 minutes, then rinse 1~2 times with clear water, and then fry or burn it. Commonly used in celery, spinach, Chinese cabbage, cabbage, beans, cauliflower and so on.
3. Clear water+detergent
Soak it in warm water with detergent for 1-2 minutes, and then clean it with a soft brush, especially the dents. Remember to brush it a few times and then rinse it with clear water, such as cucumber, green pepper and carrot. In fact, in addition to cleaning, there are some ways to help remove pesticide residues in vegetables. For example, if fresh vegetables are left in the air for 24 hours, some residual pesticides can also be decomposed into harmless substances, such as wax gourd. In addition, pesticide residues in vegetables will also be lost through ultraviolet irradiation.