1. Soak in clear water: rinse the vegetables with clear water first, and then soak them in clear water for about 10 minutes to remove some pesticide residues.

2. Wash rice with water: Because most pesticides are acidic, you can wash them with weak alkaline rice washing water or fruit and vegetable cleaning agent first, and then rinse them with clear water.

How to preserve the endless string beans;

1, made into dried mung beans: the bought beans are processed first, and then the processed beans are dried in a clean place. Beans are very rare food after drying. They can be stewed with meat or fried with other ingredients. Very delicious. In addition, soak in warm water before cooking, so it is delicious.

2, blanching sealed refrigeration: clean the purchased beans with water, then blanch them in boiling water, and dry the surface moisture of the blanched beans. Put into a fresh-keeping bag, sealing, and refrigerating in a freezer. Generally, if it is preserved in this way, it will still be green and tender for more than a month, and the taste will not change much.

3. Pickled green beans: Pickled green beans have salt bubbles and sugar bubbles, and the long-term preservation time of different methods is also different. For example, beans soaked in sugar will last longer than salt, and the color will be more beautiful. Generally, pickled beans can be preserved for several months or even a year, and the preservation time is the longest among various methods.