Beans, also known as cowpeas, are abundant vegetables in summer. It is a cultivated species of cowpea that can form long pods, and it is an annual twining herb. It is also called bean, long-horned bean, cowpea and Undaria pinnatifida. Contains various vitamins and minerals. The tender pods are fleshy, fried and crisp, and can also be scalded, cold and marinated. Pods are long and tubular, crisp and soft, and there are two kinds of beans: white beans and green beans. When purchasing beans, beans with uniform thickness, bright color, transparency and luster and full seeds are generally preferred, while beans with cracks, wrinkled skin, thin strips without seeds and insect marks on the skin are not suitable for purchase.

Beans are easy to grow and spread quickly, so they yield a lot and are cheap. It has good nutrition and is meat in vegetables.

Some people think that the beans have a little fishy smell. As long as they are fried with hot pot and boiling oil, the chives are fried thoroughly, and the fishy smell will disappear.

Beans are rich in vitamins B, C and plant protein, which can calm people's minds, regulate the digestive system and eliminate fullness of the chest and diaphragm. Can prevent and treat acute gastroenteritis, vomiting and diarrhea. It has the effects of quenching thirst, invigorating spleen, tonifying kidney, relieving diarrhea, benefiting qi and promoting fluid production.

Note: beans must be blanched thoroughly to prevent poisoning. Because beans, like other legumes and vegetables, all contain Gleditsia sinensis and phytoagglutinin, which have a strong stimulating effect on gastrointestinal mucosa, destroy and hemolyze cells, and even cause hemorrhagic inflammation in severe cases. Patients may have epigastric pain after poisoning. Fullness, nausea, vomiting, diarrhea, etc. Severe cases may have hematemesis, numbness of limbs and other symptoms. These two toxic substances are not heat-resistant, and can be destroyed after sufficient heating. The main method to prevent bean poisoning is to thoroughly fry and cook the beans before eating them.

The main diseases of beans are rust, downy mildew, anthracnose, leaf spot, etc., and pests are aphids, bean borers, etc., so attention should be paid to prevention and control. Rust can invade stems, leaves and pods, producing small spots with dense red rust color on leaves, making pods inedible. The prevention and treatment method is to spray 25% triadimefon with water1000 ~1200 times at the initial stage of the disease. The soybean borer, the adult lays eggs in the bud and tender tip, invades the bud after hatching, and then invades the pod to eat the young and tender beans, so that the insect dung accumulates in the pod and outside the wormhole, which is inedible. The prevention and control method is to pay attention to field inspection, grasp the peak period of egg hatching, and spray 2 ~ 3 times with 2.5% deltamethrin or pyrethrin with 2,000 times of water.

Supplement:

Bean vegetables mainly include lentils, sword beans, peas, cowpeas, etc. Most people only know that they contain more high-quality protein and unsaturated fatty acids (good fats), and the contents of minerals and vitamins are higher than other vegetables, but they don't know that they also have important medicinal value.

According to Chinese medicine, leguminous vegetables are flat in nature and have the effect of eliminating dampness and invigorating spleen, which is especially suitable for people with weak spleen and stomach. However, according to different species, their dietotherapy effects are also different.

Cowpea:

Which is what we call long beans. In addition to strengthening the spleen and regulating the stomach, it is most important to tonify the kidney.

Li Shizhen once praised it for "regulating the middle energizer, invigorating the kidney and stomach, harmonizing the five internal organs, regulating the camp and health, and generating the essence". The so-called "Ying Wei" is what Chinese medicine calls Ying Wei's two qi, which can fully ensure people's sleep quality if adjusted. In addition, eating cowpea can also treat vomiting, burping and other discomfort. When children suffer from indigestion and flatulence, it can play a certain role in relieving them by using a proper amount of raw cowpea and swallowing it after chewing it carefully.

Lentils:

Mostly eaten in summer and autumn. It can play a certain therapeutic effect on anorexia, diarrhea, vomiting, female leucorrhea and other symptoms caused by spleen and stomach weakness.

Diabetic patients often feel thirsty because of spleen and stomach weakness, so it is best to eat more lentils at ordinary times.

Women can fry lentils into powder, 6-12g each time, and take them with glutinous rice wine or warm water, which can relieve the symptoms of leucorrhea.

Sword bean:

Sweet in taste and warm in nature, it has the functions of warming the spleen and stomach, lowering qi, benefiting kidney and supplementing vitality.

It is suitable for symptoms such as qi stagnation, burping, chest tightness and discomfort, and low back pain. The tender sword bean is used to cook or make pickles, which is not only delicious, but also has the effect of warming up; Old concanavalin has the best therapeutic effect on hiccups.

Peas:

Peas are sweet in taste and flat in nature. If eaten regularly, they can tonify the middle energizer and benefit urination.

It is suitable for symptoms such as anorexia and abdominal distension caused by spleen and stomach weakness. Lactating women eat it, which also helps to increase the amount of milk.