Sihai network

Can beans be eaten overnight? Can beans have a little yellow?

4hw.com.cn: beans are also called cowpeas. They are a kind of food that often appear on our dinner table. Many people like to eat them. They can match with many delicious dishes. Can beans be eaten overnight? Let's have a look!

Can I eat the yellow beans

Can you eat the yellow beans? Can you eat the beans overnight? It's a question that many people are curious about. Today, Xiaobian will introduce it to you. First, let's look at the first question.

It is not allowed to eat the yellow beans, because the yellow spots are usually due to downy mildew or bacterial corner spots. When choosing beans, it is generally better to have the beans with uniform thickness, bright color, transparent luster and plump seeds.

Can beans be eaten overnight

Can beans be eaten overnight? Beans can't be eaten overnight.

Like other legumes and vegetables, legumes contain saponins and phytoagglutinins, which have strong stimulating effects on gastrointestinal mucosa, damage and hemolysis on cells, and even hemorrhagic inflammation. Half cooked beans can form a substance enzyme that can cause a series of toxic symptoms. Weak limbs, dizziness, nausea, vomiting, diarrhea, and even foaming at the mouth, spasms and other phenomena. Overnight beans can produce harmful components of nitrates. Under the decomposition of bacteria, nitrates will be reduced to nitrite, which will oxidize the normal hemoglobin in human body to methemoglobin, lose the ability to carry oxygen, and cause the lack of normal hematopoietic function in human body.

How to keep cowpeas

Put the fresh cowpea into a plastic bag or a fresh-keeping bag, fasten the mouth of the bag, and put it into the refrigerator's refrigerator. This method can be preserved for 5-7 days, but it will gradually appear brown spots after a long time. There is also a need to remind that fresh cowpeas can not be put into the bag with raw water on the surface.

2、 Sprinkling fresh keeping method

Put cowpeas into plastic bags with holes, then cut holes in the plastic bags with scissors, and put them in the shade. Sprinkle a little water on them with hands every day, or cover the bags with wet cloth or wet clean toilet paper. This method can keep cowpea fresh for 2-3 days, and it is suitable to keep cowpea at room temperature.

3、 Blanching and freezing

If you want the fresh cowpeas to be preserved for a longer time, you can use this blanching and freezing method to keep them green and fresh for a month without destroying their original flavor. The method is as follows--

Step 1: boil a pot of water first, and put some salt into the water. At the same time of boiling water, wash the cowpeas. When the water in the pot boils, put the cowpeas in the boiling water, keep the fire on, take out the cowpeas immediately after boiling again, and cool them with cold water.

Step 2: after cowpeas are completely cooled, take out the water on the surface to dry, put it into the fresh-keeping bag, squeeze out air as much as possible to tie the bag mouth, and put them into the freezer of the refrigerator for storage.

The cowpea preserved in this way is still green and tender after one month, and its original flavor will not be destroyed. But remember to dry the surface of the water, so that frozen cowpeas will not stick together, easy to use.