How to choose black beans, how to choose black beans

Black beans are a good nutritional tonic product, but also one of the preferred ingredients for autumn and winter tonic, in daily life, we generally use to make soup or soy milk to drink, today share a black bean different way to eat, spicy and crispy, bite a bite of the crispy, the more chewing the more fragrant, used as a snack or porridge to eat, is very good, in autumn to eat more black beans, do not boil porridge do not hit soy milk, simple to do, spicy and crispy special to solve the cravings.

So what do we pay attention to when we usually choose black beans? Black beans are divided into yellow heart black beans and green heart black beans, peel off the outer black skin, you can see whether the heart inside is yellow or green, which black bean has better nutritional value?

Yellow heart black bean is a variety planted in the early days of the folk, its medicinal value is very good, green heart black bean is a variety that has been improved in the later stage, now the black beans that can be bought in the supermarket, most of them are green heart black beans, no matter which kind of heart of black beans, in terms of edible, the nutritional value is actually about the same, as long as the black beans we buy are pure black beans.

Don't buy dyed kidney beans, whether they have been dyed or not, you can soak them in water, you can tell that after the pure black beans are soaked in water, the water quality will not become too black, and the bean skin is not white and faded. Black beans are divided into yellow hearts and green hearts, which one is better? After reading the real knowledge, it is good to eat more in autumn.

The purchased black beans are soaked in water for more than 4 hours in advance, the soaked black beans are full of particles, poured into the sieve, and the moisture is controlled.

Heat the oil, it is best to use rapeseed oil to be more fragrant, pour in the soaked black beans when the oil temperature is heated to three percent, the black beans that have been soaked in water should be fried for a little longer, about 10 minutes, the whole process is fried over medium heat, after the oil is controlled, the oil temperature is burned to 7 into heat, and the fried black beans are more crispy.

Fry until the skin is golden, take out the oil and put it on a plate, pour the chili noodles, edible salt, five-spice powder while it is hot, stir it well, and let it cool a little before eating.

How to choose black beans, just master these few tips, and easily pick high-quality black beans.

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. There are two types of black beans, one is green core and the other is yellow core.

The green core has medicinal effects, and the yellow core is edible. Discoloration is normal. However, there are more useful fertilizers and household medicines for mung core beans on the market.

It's good to buy organic black beans.

How to choose black beans.

Look at the appearance. If it is a good black bean, then its size should be uneven, because in the process of growing, the black bean is disturbed by the outside world, and it is a black substance, which is more exposed to sunlight than other beans, so its size cannot be determined.

Black beans are not black beans, authentic black beans should have a little bit of red in them, but they look black overall, black beans are often not processed by the acquired environment, they have not been polished, and fake black beans are usually very black, because they have been artificially processed, and their size is relatively uniform.

Smell the smell. Authentic black beans smell like they have a fragrant smell of beans and not the smell of other impurities, and if they are not authentic black beans, then they will smell some dyeing, maybe they are paint, maybe they are substances of other chemicals.

Because this is all formed by dyeing, compared to other beans, black beans have a better and pungent taste. Everyone must pay attention when choosing black beans.

Black bean soaking vinegar. If the black beans are put in the white vinegar for full stirring, if the white vinegar turns red after a while, then, at this time, it means that the black beans are real black beans, if the vinegar does not change any color, it is a fake black bean, mainly because the black beans have some anthocyanins on it, and in the process of mixing with the white vinegar, some chemical reactions will occur, so there will be some pigment changes.

Precautions for eating black beans.

1. Although black beans have the effect of tonifying the kidney, people with severe kidney disease are not the same as eating black beans, because black beans are not easy to digest, if people with severe kidney disease eat black beans, it will increase the burden on the kidneys, so people with severe kidney disease are not suitable for eating black beans.

2. Children should not eat more, and patients with kidney yang deficiency and those who are allergic to black beans should not eat.

3. After the black soybean is fried, it is hot and easy to get hot for those who eat more, so it is not suitable to eat more.

4. Black beans should not be eaten with milk, spinach, soybean milk, tetracycline, castor beans, magnolia, gentian, and five ginseng. Gentian, five ginseng, and magnolia bark are all Chinese medicinal materials, so you should pay attention not to eat them with black beans and black soybean milk when taking traditional Chinese medicine, so as to avoid poisoning and other undesirable phenomena.

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.

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 with your hands:

In order to prevent buying deflated black beans, you should choose round, hard ones with high nutrients and very tasty. 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. <

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.

1. Look at the appearance: there are small white spots in the middle germ of real black beans, if it is dyed, the small white spots will also change color.

2. Look at the bean coating: The bean coating of black beans is very thin, and the color of the dyed black beans will penetrate the inner head and slowly open the skin.

3. Wipe the epidermis: Rub the real black beans on the white paper vigorously and will not fade. You can also rub the black beans in the palm of your hand to see if they fade.

1. You can take a look at the appearance of black beans, if it is a better black bean, then its size should be uneven, because black beans are disturbed by the outside world in the process of growing, and they are black substances, which are more likely to be exposed to sunlight than other beans, so its size can not be determined, black beans do not mean black beans, authentic black beans should have a little bit of red in them, but they look black overall, black beans often have not been processed by the acquired environment, and have not been polished. Fake black beans are usually very dark because they have been artificially processed and they are more uniform in size.

2. You can also put the black beans in the white vinegar for full stirring, if the white vinegar turns red after a while, then, at this time, it means that the black beans are real black beans, if the vinegar does not change any color, it is a fake black bean, mainly because there are some anthocyanins on the black beans, and in the process of mixing with white vinegar, some chemical reactions will occur, so some pigment changes will occur.

3. The black beans on the market are uneven, you can also distinguish them by smelling the smell, authentic black beans smell like a fragrant smell of beans, and not the smell of other impurities, if it is an inauthentic black bean, then it will smell some dyeing smell, maybe it is the smell of paint, maybe it is the substance of other chemicals, because this is formed by dyeing, compared with other beans, the taste of black bean dyeing is better and pungent. Everyone must pay attention when choosing black beans.