How to tell the difference between black beans and what is the difference between black beans?

Black beans are black on the outside, green on the inside, and the color is about the same as the color of cola when soaked for 24 hours.

A simple identification method: pay attention when buying, first, look at the appearance, there are "small white dots" in the middle of real black beans, and the "small white dots" of dyed black beans will be dyed off; Second, look at the bean coating, the color of the dyed black beans will penetrate into the inside, and after peeling off the bean coating, you can see that the bean body will also change color; Three rubbing of the epidermis, the dyed black beans will leave color on the white paper after rubbing.

Black beans themselves are not very tasty, the taste is not as good as soybeans, you should soak before cooking, it should be better.

Relatives bring home-grown black beans from the countryside, and the skin of the bean is green!

There are two ways to identify the authenticity of black beans:

The first is to look at the surface: authentic black beans, the size of the black beans is not uniform, some are large and some are small, and the color is not all black, but some are jet black, and some are red in black; The dyed fake black beans are basically uniform in size, and their color is basically black.

The second identification method: you can take an appropriate amount of black beans and put them in a container, pour an appropriate amount of white vinegar into it, and then stir, after stirring, the white vinegar becomes red is a real black bean, the white vinegar is basically non-reacting, and the one that does not change color is a fake black bean.

Genetically modified black beans differ from non-GMO black beans in appearance:

1. Non-GMO: oval shape, a little flattened. The navel is light brown. The beans vary in size. Genetically modified: round, round. The navel is yellow or yellowish-brown. Beans are about the same size.

2. Genetically modified soybeans are inactive, cannot germinate, are easy to emit odors, and have serious pollution to water bodies. Non-GMO soybeans have good activity, can germinate, have no peculiar smell, and have no pollution to water bodies.

3. Left one: genetically modified black beans Middle: genetically modified soybeans Right one: non-genetically modified black beans.

Distinguish black beans and black soybeans, you can observe the shape, in which black beans are kidney-shaped, black soybeans are round, in the process of breeding black beans, it is necessary to put Qi Yeqi in a sunny environment, accept full sunshine, and can also provide nitrogen fertilizer, urea or potassium dihydrogen phosphate fertilizer for black beans to promote the differentiation of plant flower buds and improve yield.

1. Look at the shape

Black beans and black yellow beans can be distinguished by their shape. Although both black beans and black soybeans are black in color, black soybeans belong to soybean varieties with round or oblong seeds, while black beans have kidney-shaped shapes, thin seed coats, and yellow-white kernels.

2. Provide light

Black beans are light-loving plants, suitable for growing in a sunny environment, in the process of breeding, it is necessary to provide all-weather natural light for black beans to keep the leaves in a green state, and at the same time, after the black beans are exposed to strong light, the type cultivation needs to replenish water in time to avoid the lack of water and drying up of the plant.

3. Prune

When cultivating black beans, they can also be pruned. First of all, you can cut off the young shoots that grow at the top of the black soybean seedling stage to promote the plant to grow branches, and cut off the side branches that grow too much during the vigorous growth period of black beans to help the plant save nutrients for flower bud differentiation.

4. Supplement nutrients

In the process of black soybean growth, there is a certain demand for nutrients, in the daily management, it can provide nitrogen fertilizer and urea for black beans to improve the growth rate of plants, and in the early flowering period of black beans, as well as the fruiting period, it can provide phosphorus and potassium fertilizers and potassium dihydrogen phosphate to promote the increase of plant yield.

Black beans can be divided into black-skinned green beans and black-skinned yellow beans.

Green heart black beans are further divided into large black beans and small black beans.

There is only one type of small black bean in the yellow heart black bean.

Generally speaking, there are three types of black beans: large green heart black beans, small green heart black beans, and small yellow heart black beans.

When buying black beans, pay attention to peeling the skin to see if the heart is green or yellow, if it is white, it is fake.

How to distinguish a real black bean from a fake?

1. The shape is different.

In shape, black beans are larger than black kidney beans, most of which are round, while black kidney beans are flat and oval.

2. Look at the appearance.

There is a real black bean in the middle"Small white dots"。And the black beans that have been dyed by hail macros"Small white dots"will be dyed.

3. Rub the epidermis to identify black beans.

Dip the black beans in some water, and then rub them on the white paper, the real black beans will not fade on the white paper. The color of the black beans dyed by the slender will leave the color on the white paper after rubbing.

4. Open the beans and look at the kernel: bean kernels.

The kernels of black beans are different from those of black kidney beans, and the kernels of black beans are generally yellow and green, while the kernels of black kidney beans are white. When you go to buy beans, you can look at them aside.

5. The color of the water is different after soaking.

The difference between black beans and black kidney beans can also be seen by soaking. The light color is black beans, and the black kidney beans are bad fades, and after the black kidney beans are soaked, they are black water.

Introduction: Black beans are considered by traditional Chinese medicine to be very healthy natural food, can achieve the effect of replenishing qi and nourishing blood, will bring a lot of benefits to people, the nutrition of black beans is very high, the old and frail or women often eat black beans, not only the body will get better, but also the complexion will become very ruddy, female friends often eat the food made of black beans, but also play a role in preventing diseases. Black beans are very good, but with the development of the market, there are already real black beans and added black beans, so how to choose black beans is real?

Traditional Chinese medicine believes that black beans are the valley of the kidneys and enter the kidneys. Because it has the ability to strengthen the spleen and water, reduce swelling and lower qi; Nourish kidney yin, moisten lung dryness, treat wind and heat, invigorate blood and detoxify; Anti-night sweats, black hair and longevity. Modern medical research has proved that black beans are not only rich in protein, soft phospholipid vitamins, but also contain melanin and niacin.

Because of this, black beans have always been regarded as a good product for both medicine and food. Many housewives have brought black beans to the table, such as black bean soy milk, black bean rice, and so on.

1. Look at the surface: Authentic pure black beans, the size of the particles is not uniform, some are large and some are small, and the color is not pure black, some are jet black, and some are red in black. Fake black beans are basically dyed, the whole body is jet black, the size is relatively uniform, and the traces of artificial treatment are more obvious.

2. Put the black beans into the white vinegar and stir, if the white vinegar turns red, it is pure real black beans, and if the vinegar does not change color, it is fake black beans. The reason why black beans change color with white vinegar is because it contains anthocyanins on the surface, and it is this anthocyanin that encounters white vinegar to change color.

How to choose black beans is real, look at the above. I believe everyone knows how to choose to buy real black beans. The selection method introduced above is very edible, I hope it can help you, black beans are nutritious and healthy, eat black beans regularly, your body will become healthier, so that you can better face life and face the future.

1. The size is different.

Black beans are large and round, about the same size as ordinary soybeans, and when cooked, they become flattened and lengthened, and the overall volume increases to the size of broad beans. The volume of black adzuki beans is larger than that of mung beans, and the shape is not perfectly round, slightly flattened and slightly oval. When cooked, it is about the same size as ordinary dried soybeans, but it is noticeably oval.

2. The interior color is different.

The black beans are broken and the inside is yellow or green; The black adzuki beans are broken open, and the inside is white.

3. The place of origin is different.

The origin of black beans is Northeast China, and the origin of black beans is Mexico and Argentina in the Americas, and China only began to introduce and cultivate them at the end of the 16th century.

4. The nutritional value is different.

Black beans have a higher protein content and lower carbohydrates, and black beans have the characteristics of high protein and low calories.

Black beans have a lower protein content and higher carbohydrates than black beans. In terms of digestibility, black beans are much easier to digest than black beans. Black adzuki beans basically do not contain cholesterol, only plant sterols, and plant sterols are not absorbed and utilized by the human body, and have the effect of inhibiting the body's absorption of cholesterol and reducing the content of cholesterol in the blood.

And black adzuki beans also have medicinal properties.

There are two main differences:

1. The taste is different. Black beans taste similar to soybeans and are harder; It should be stewed for a longer time before eating. Black beans are easier to stew, and they are very noodle and have a good taste, which is liked by the elderly and children.

2. The nutritional value is different. Black beans are higher in protein and lower in carbohydrates; Black beans have a lower protein content and higher carbohydrates than black beans. In terms of digestibility, black beans are much easier to digest than black beans.

From the perspective of traditional Chinese medicine, the health care effect of black beans is better than that of black beans. The appearance difference is that the black beans are a little larger, and the inside is green when broken; The black beans are smaller, but they are larger than other small beans, and the shape is also the same as that of other small beans, but it is black, and it is white when you break it.