How to choose good black beans? How to choose good black beans

We all know that black beans are a food with very good nutritional value, and it is very beneficial for us to eat some black beans, but many people don't know how to choose high-quality black beans, so let's see how black beans should be selected.

Observing the appearance, there is a small white dot in the middle of the real black bean, if it is dyed, the small white dot will of course change color; 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.

Peel off the bean coat, the bean coat of the black bean is very thin, the color of the dyed black bean will penetrate the inner skin, and after peeling off the black coat, you can see that the inside of the black coat will also change color. If the inside of the bean coat is white, it is a real black bean;

Wipe the epidermis, the real black beans rub the white paper, and the color of the dyed black beans will leave traces after rubbing. When purchasing, the public can rub the black beans in the palm of their hands to see if they have faded.

Stir the black beans in the white vinegar, 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.

Black beans are a very good food, its fiber content is particularly high, we often eat some black beans can play a very good role in promoting gastrointestinal peristalsis, but also help us solve the problem of constipation, and the egg lutein content of black beans is also excellent, which can help us strengthen the brain, meet the needs of the brain and delay the aging of the brain. It can reduce blood viscosity and keep the body function intact.

After passing our introduction, you must be able to know more about foods like black beans, we can find that black beans are very good, its nutritional value is excellent, regular eating can effectively promote the stomach, but also protect brain health, we also introduced the method of black beans selection.

I bought it in an ecological store, and I bought a lot of multigrain beans, and when I usually have time, I will add some of each bean, and then boil it on the fire, and it will be rotten.

Look at the color: whether the black beans are fresh should be seen whether they have a natural texture, and at the same time, there are some white powder on the surface that are relatively fresh.

Pinch by hand: In order to prevent buying deflated black beans, you should choose round, hard ones with high nutrients and very delicious when you buy them.

Look at the color: black beans are good in color, while some black beans are green in color, this is because of different varieties. Green black beans are tea black beans, which have a refreshing taste and are also very nutritious.

Can you eat black beans every day: Black beans can be eaten every day, which is good for the body, but be careful not to eat a lot every day. Black beans are rich in high-quality protein, unsaturated fatty acids, fiber, calcium, potassium, iron, etc., and it is also rich in plant sterols, isoflavones, etc., which is a healthy and nutritious food.

As we all know, black beans not only have the effect of tonifying the kidney, but also can black and shiny hair, and the most common way to eat black beans is black bean porridge and black soybean milk. How to choose black beans? Let's take a look!

Traditional Chinese medicine has always believed that black beans are the valley of the kidneys and enter the kidneys. It has the ability to strengthen the spleen and water, reduce swelling and lower qi; Nourish the kidney yin, moisten the lungs, make wind and heat, invigorate blood and detoxify; Anti-night sweats, black hair and longevity. Modern pharmacological studies have confirmed that black beans are not only rich in protein, lecithin, fat and 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. In fact, many people know the benefits of black beans, but they don't know how to identify black beans, but they feel that this kind of black beans looks better, or the price is relatively high, and there should be no fake, and even some people don't think that black beans will be fake. In fact, there are two ways to easily identify the authenticity of black beans.

The first is to look at the surface: authentic black beans, the size of the particles 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; And after dyeing counterfeit black beans, its size is basically uniform, its. The color is basically jet black.

Second, 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 real black beans, white vinegar is basically non-reacting, and it is fake black beans that do not change color. Sometimes some consumers will encounter this situation when they go home to cook black beans, the reason for this is actually very simple, this is because the so-called black bean skin is black, because the black bean skin contains anthocyanins, and anthocyanins will have a chemical reaction when they encounter white vinegar, so we will see that the white vinegar turns red, and the dyed black beans, its black bean skin cannot contain anthocyanins, so it will naturally not change color. In addition, I can tell you that the anthocyanins in black soybean skin are good antioxidants**, which can remove free radicals in the body, especially in the acidic environment of the stomach, with good antioxidant effect, beauty and increased gastrointestinal peristalsis.

Attached: The efficacy and role of black beans

Black beans are not only known as the "king of beans", but also known as "plant protein meat". Black beans are rich in protein and contain a variety of vitamins and minerals. Black beans are a treasure for office workers, because the vitamin A contained in black beans can relieve eye fatigue and inhibit vision loss, which is very suitable for office workers who use their eyes excessively, especially those who often code words, such as programmers.

The epidermis of black beans is rich in anthocyanins, which can remove free radicals in the body, especially in the acidic environment of the stomach, with good antioxidant effect, beauty and increased gastrointestinal peristalsis. Black soybeans contain soy globulin, linoleic acid, lecithin, and linolenic acid, which can soften blood vessels, dilate blood vessels, promote blood circulation, and have the effect of lowering blood pressure.

Black beans are one of the most familiar grains and grains, black beans have a black appearance, but have the title of "king of beans", and their nutritional value is very high. For black beans, many people don't know, such as how many kinds of black beans are there? Which black beans are good?

Let's find out. Black beans are one of the most familiar grains and grains, black beans have a black appearance, but have the title of "king of beans", and their nutritional value is very high. For black beans, many people don't know, such as how many kinds of black beans are there?

Which black beans are good? Let's find out.

How many types of black beans are there?

1. Green kernel black beans.

Qingren black bean is also called black kernel bean, green heart black bean, because the outer skin is black, the inner kernel is green and got this name. There are also two kinds of green black beans in green black beans, large black beans and small black beans, which are round in shape and uneven in size.

2. Yellow kernel black beans.

Huangren black bean, also known as Wupi yellow kernel bean, yellow heart black shed bean, is a small variety of black bean introduced from Japan, the shape is flattened, the overall outline is flat oval, the skin is black kernel yellow, the bean grain is relatively small, it is the black bean of the same origin as medicine and food.

The difference between green kernel black beans and yellow kernel black beans.

1. Use. Qingren black beans are more nutritious than yellow kernel black beans, which are more suitable for daily consumption. Huangren black beans are not as common as Qingren black beans in the market, and they are mainly used to make candied foods.

2. Nutrition. The nutrient content of green kernel black beans and yellow kernel black beans is almost the same, but the anthocyanin content of green kernel black beans is a little higher than that of yellow kernel black beans. If you usually eat it, it is recommended to buy green kernel black beans.

In terms of health value, it is better to prefer yellow heart black beans.

3. Features. The flowers are axillary, butterfly-shaped, with white or purple florets, the seed coat of the seeds is black, and the cotyledons are yellow or green. Yellow kernel black beans are spherical in shape and have a diameter. The surface is black, smooth, and the umbilicus is grayish-white.

How to choose black beans to be a good black bean?

1. Look at the skin. High-quality black beans, the skin is natural jet black, the particles are full, the color and particle size are different, you can grab it by hand and rub it, the hand surface will not be stained with powder, the particles are shriveled, and if there is a full hand of powder when rubbing it by hand, it means that the quality is not good, and it is not recommended to choose this kind of black bean.

2. Look at the bean coat. Black beans are not all black, under normal circumstances, the black bean coating wrapped around the black beans will have small white spots, if it is dyed black beans, the small white spots will also be dyed black, so pay attention to whether there are small white spots on the surface when buying.

3. Look at the bean core. Although the black beans are black, the inner bean core is not black, according to the variety difference, it is divided into yellow, green and white differences, you can break the black bean, if the inside is yellow, green or white, it means that it is a real black bean.

That's it.