This kind of mung bean is called "iron mung bean" or "iron bean", which is extremely difficult to cook and germinate. There are often several iron beans in the bought mung beans, which are probably wild or mung bean varieties.

How to cook mung bean soup well enough;

Add water in batches when cooking mung beans. First add a little water to boil the mung bean, then add a proper amount of water to boil the mung bean soup, and finally cook it over medium heat. It should be noted that at this time, it is necessary to keep stirring to prevent the pot from being burnt. If there is less water in the middle, water can be added, which can shorten the boiling time of mung beans.

Soaking in hot water will cook mung beans in a short time. You can also wash mung beans, put them in a thermos bottle, cover them with boiling water and soak them. After a few hours, mung bean grains will swell and soften, and it will boil more easily in a short time if cooked again.

Extended data:

Mung bean has high nutritional and health care value, and is known as "the most expensive food in the world", "the food in the world" and "the medicine for clearing heat and relieving summer heat". Chinese medicine believes that mung beans are sweet in taste and cool in nature, and have the effects of clearing away heat and toxic materials, relieving summer heat and vexation, promoting diuresis and reducing swelling, clearing away gallbladder and nourishing stomach, enhancing immunity and expelling lead. Suitable for summer heat, polydipsia, dysuria, edema, rash, food and drug poisoning, etc.

Mung bean has a strong detoxification effect, which can remove a variety of poisons inside and outside the body and prevent food poisoning and drug poisoning. This is related to the fact that mung beans are rich in detoxification components such as protein, dietary fiber, selenium and polyphenols. Mung bean protein can protect gastrointestinal mucosa and prevent toxins from being absorbed by gastrointestinal tract.

Baidu Encyclopedia _ Mung Bean