1. Cowpea can be put in the refrigerator, but it should not be kept for too long. Usually you can put it for a day or two. Don't eat after two days. If fresh cowpeas are kept in the refrigerator for a long time, not only the taste and taste will deteriorate, but also the nutrition will be lost. The low temperature environment in the refrigerator will destroy the structure of fresh vegetables and affect the taste and nutrition. If it is fried cowpea, it can also be put in the refrigerator, but it is best not to stay overnight, and it is best to eat fresh vegetables.

2. Preservation method: Fresh cowpeas can be stored directly at room temperature except in the refrigerator, but they should be packed in plastic bags and placed in a cool place, and some water should be sprinkled on them every day, so that they can be stored for two to three days. Vegetables are generally fresh and nutritious, and it is best to buy as much as you eat.

3. Made into dried bean curd: dried bean curd is made of fresh cowpea, which can be preserved for a long time in winter after drying, and is also a unique dish. Use older cowpeas, remove the stems from the head and stomach, wash them, scald them with boiling water, and then dry them. The production process of jiangdougan is very simple, but the preservation needs great attention, because it is easy to breed insects. The dried soybean curd can be stored in a ventilated and dry place or sealed.