Can you eat black spots on the surface of the lotus root, there are many black spots inside the lotu

Cooked food, both in color and taste, is ripe, but the lotus root is easy to turn black if it is not handled well, so can the lotus root be eaten after it turns black? There are no black spots, they are all normal and can be used.

1 Can you still eat the lotus root when it turns black?

Lotus root contains a lot of polyphenol oxidase, and the lotus root itself is also a polyphenol food, containing a large number of phenolic substances, therefore, the flesh in the lotus root will oxidize and turn black as long as it comes into contact with the air, and the black matter generated by the oxidation or generation of this phenolic substance belongs to the quinone class, although the color is not good-looking, but it is non-toxic and edible.

2 How to prevent the lotus root from turning black.

Pick a good lotus root.

Some lotus roots are damaged in the skin during the picking process, contact with the air, oxidation and blackening, there are many black spots on the appearance of the lotus root, the black spots of this lotus root have been formed, unless they are dug up, they can hardly be removed, so when purchasing, you need to buy lotus root with a complete skin.

Pick a good lotus root.

Prevents oxidation. After peeling and slicing, the lotus root needs to be treated to prevent oxidation as soon as possible, such as soaking in salt water, vinegar water, or boiling water for a short time to remove polyphenol oxidase, and the lotus root will not change color after treatment.

Do not cook in an iron pot.

In addition to the lotus root contains a lot of phenolic oxidases, which will change the color of phenols, iron ions will also react with phenolic substances, and eat black and purple complexes raw, so it is best not to cook lotus root without an iron pot, and it is best to use a casserole.

3 The nutritional value of lotus root.

Lotus root can be described as rich in nutrients, 100g lotus root contains 17 calories, carbohydrates, fat, protein, cellulose, vitamins, vitamin C52mg, carotene, calcium 30mg, iron 1mg, phosphorus 26mg, edible lotus root has the effect of protecting the liver and eyes, preventing osteoporosis, invigorating qi and nourishing blood.

The nutritional value of lotus root.

4 Precautions for eating lotus root.

1.Lotus root is cold, therefore, cold constitution, menstruating women, people with spleen and stomach deficiency and cold, loose stools and diarrhea, pregnant women are not suitable for raw eating.

2.The lotus root will oxidize and change color quickly after cutting, affecting the color of the lotus root, so the lotus root needs to be soaked as soon as possible after cutting.

3.The lotus root is not suitable for cooking in an iron pot, and will produce a black complex, which will affect the color of the dish, so it is recommended to use a casserole for cooking.

There are black spots on the outside of the lotus root, indicating that it has been moldy and cannot be used, to prevent food poisoning, moldy food also contains carcinogens, throw it away as soon as possible, choose fresh, any food mold can not be eaten.

There are two reasons why black spots appear on lotus roots. One is that the lotus root is damaged during the growth period and the soil enters, so the lotus root can be eaten and washed clean. The second is that the lotus root contains phenolic substances, which will oxidize in the air, and the black part can be removed, so the lotus root can also be eaten.

Teach a way to avoid oxidation of lotus root, after cutting, the lotus root can be soaked in water, to a little white vinegar, so that it can be cleaned, and avoid oxidation, affecting the appearance of the lotus.

If you don't cook the lotus root right away, you have to soak it in water, otherwise it will turn black, and if you just cut it, it will be bad and you can't eat it.

I don't know if it's bad or not, but don't eat it.

I don't think I can eat it! It's best not to eat it.

I think it's better not to eat it, maybe it's been too long.

If you can't eat this, it may be bad, so it's better to buy it right away and eat it right away.

It's best not to eat it.

I often make lotus root at home, but I never seem to have encountered such a situation.

You can eat it if it has not deteriorated.

On the one hand, the black film in the lotus root hole may be caused by the silt contaminated with the lotus root during the growth or picking process, in this case, you only need to wash the black mud inside the lotus root to eat; On the other hand, because the lotus root is placed for too long, the phenolic substances in it will be oxidized, causing the white film to become a black film, and this blackening phenomenon cannot be restored, but as long as the lotus root has not deteriorated, cut off the part that has become black and oxidized, and the remaining part can be eaten.

2. How to get the black film inside the lotus hole.

According to the above situation, the black film of the lotus root hole can be cleaned by the following methods when it is silt

1. Wipe with chopsticks.

Prepare a chopstick, then wrap a soft cloth strip around the thinner end of the chopsticks, go deep into the lotus root hole with the help of the thin length of the chopsticks, and then use the cloth strip to wipe up and down repeatedly to clean the black film in the lotus root hole.

2. Baking soda or starch cleaning.

Baking soda has the effect of cleaning, starch has the effect of adsorption and removal of dirt, put one of the two in water, and then soak it with the lotus root for about 30 minutes, and then rinse it repeatedly with water, which can effectively remove the black film dirt in the lotus root hole.

3. Cut open and clean.

If the lotus root is not cut into lotus root slices, but eaten as lotus root silk or lotus root strips, you can use a knife to cut the lotus root along the middle of the hole, and then use a small brush to repeatedly scrub the black film sludge in it.

I agree with the upstairs, it is oxidized after cutting, similar to the principle that when an apple is cut, the incision surface will also change color.

1. Blackening caused by lotus root varieties.

Lotus root is a common food in life, and different regions, different soil environments grow lotus root is completely different, Hunan, Hubei lotus root is mostly pink or white, such lotus root flesh is more powdery, and Guangdong, Guangxi lotus root surface has a layer of gray or black film, there will be many spots, can be eaten normally.

2. Blackening caused by oxidation of lotus root.

Lotus root is rich in nutrients, and contains some phenolic substances in the lotus root, which will begin to oxidize after contact with air, and after oxidation, some black films will be generated on the surface of the lotus root.

How to clean up the black inside the lotus root hole.

If it is not broken, there is generally no mud, why does the inside of the lotus root turn black? What turns black is broken, and it turns black and is not mud. You can't wash it off if it's black, it's the juice that comes out of the lotus root, and it's not broken.

There is also a situation where the yellow inside of the lotus root is not mud, and this is rust and not mud. Just like the gourd also has this yellow rust spot inside, if there is mud in the broken lotus root is easy to clean, cut it open and rinse it with tap water to clean it. There is no technique required to wash the lotus root, even if it is cut and washed by hand.

Generally, we try not to dig the lotus root when we dig it, it is not easy to sell it, that is, when washing the lotus root, we can not break the lotus root skin, and it is easy to turn black if it is broken.

First of all, the first step is that when we buy the lotus root, the first thing we need to do is to clean all the mud on the outer skin. Then we peel off the skin and cut the lotus root into small slices. This is mainly to allow us to observe the small holes of the lotus root more intuitively, and see if there are enough stains in them.

At this time, we put the lotus root that has been cut into slices into a large bowl, and then put more water in the bowl. Be sure to put more, because at this time, water is to play a soaking function for lotus roots, so it is always no harm for everyone to put more. The next step is to put some salt and white vinegar in the water.

This kind of thing can be found everywhere in our kitchen, so it is also a more convenient method, then we stir everything evenly, soak the lotus root in the water for about three minutes, and when we are finished, we can find a lot of sludge floating on the surface of the water. At this time, what we have to do is to put the remaining lotus root under the faucet, flush it with a large amount of running water, and completely wash the sediment inside, and our lotus root will basically be washed at this time. The next thing we want to tell you is that there are actually some tips when choosing lotus roots, that is, if we want to use lotus roots to make soup, then it is best to choose those lotus roots that have seven holes in the lotus roots.

And if we buy a common nine-hole on the market.

What about lotus root, then this kind of lotus root is more suitable for us to do some stir-frying, because the main thing is this, the taste of the nine holes is relatively crisp and tender, in the process of stir-frying, or in the process of cold dressing, it can achieve the best taste through the shortest time of cooking.

It is normal for lotus root to have black spots after cooking. There is a kind of lotus root variety called seven-hole lotus, the appearance of seven-hole lotus root is relatively rough, often with a lot of brown spots, the color of the outer skin is often a piece of brown spots, the whole is brownish-yellow, after cooking, these brown spots will deepen, it looks like black spots, there is no hindrance to eat, you can taste normally.

Oh, there are black spots on it, which are usually caused by virus erosion when terminating, or another reason is that it has been stored for too long. You need to remove the black dots before you use them...

There are black spots inside the padded jacket, what's going on? There are black spots inside the lotus root. It may be the knot of the lotus root, or there are black spots in the cotton jacket, what's going on?

There are black spots in the lotus root, which may be left by the lotus root, or the flour of the lotus root has turned black, so there is a little.

Seven-hole lotus root long black spots is a normal phenomenon, will not affect the edible and nutritional value, seven-hole lotus contains: starch, vitamin B1, vitamin C, protein, minerals and other nutrients, glutinous but not brittle, raw slightly bitter, suitable for soup,

Occasionally, if you say a particularly good vegetable, it has some effect of nourishing yin, and if there are black spots, it is bad.

Therefore, if there are black spots on the inside of the lotus root, it means that it has been left for a long time and can no longer be eaten.

What's the deal with the black spots in it? If there are black spots in the fabric, it may be that the lotus root itself already has black spots when it is processed with lotus root.

The hole in the middle of the lotus root is black and can be eaten.

The hole in the middle of the lotus root is black and can be eaten. The black middle of the lotus root is caused by the stubborn mud stains caused by the mud entering the lotus root during picking or transportation, or the oxidation of the lotus root inside the lotus root in contact with the air for a long time, and it is edible to dig it up.

Lotus root contains polyphenols and phenol oxidase, phenol oxidase will oxidize polyphenols into quinone chemicals, and the polymerization of quinones will easily attack Hu to form melanin, to prevent the lotus root from turning black, you can first clean the lotus root, and then soak it in clean water after washing, so that the hole in the middle of the lotus root will not be black.

Cleaning tips for lotus root

Water rinsing method: use water to pat the lotus root on the mud soak of Shimin noodles softly, this is because from the lotus root picking, transportation to the hands of users will pass a relatively long time, so the mud on the lotus root will dry up on the lotus root, so before cleaning the need to use water to soak the lotus root for a period of time.

Of course, before soaking in water, you must cut off the two ends of the lotus root, soak the lotus root in clean water for about two hours, then pour out the dirty water, and then take a basin of water, and re-wash the lotus root until all the mud is washed off.

The above content refers to Encyclopedia - Lotus Root.

Lotus root with black spots is edible. There are black spots on it, which are usually caused by virus erosion when terminating, or another reason is that it has been stored for too long.

The blackening of the lotus root is the cause of starch oxidation, and if it has been for a long time and has a spoiled taste, do not eat it.

If it is a short period of discoloration, it is edible, you can add a small amount of white vinegar, and the color can be white.

It can be used for rough judgment.

When eating, you can remove the black spots, as long as the lotus root as a whole has not deteriorated, has not become soft or has some rot, it is stored for too long, and the reason for the removal of a little oxidation can be removed when eating.

Summary. Hello, I'm glad to answer for you, the black spots on the lotus root are bad and deteriorated, and the black spots can appear on the lotus root, which becomes dark and black, and can breed a large number of bacteria and other microorganisms, so the lotus root can not be eaten. Eating can easily cause nausea, vomiting and other gastrointestinal discomfort symptoms, if there are uncomfortable symptoms, you should go to the hospital for treatment in time.

If the lotus root has deteriorated and has black spots, it should not be eaten. Lotus root is rich in vitamins, proteins, starches, minerals and other nutrients, and proper consumption has certain benefits for the body.

Hello, I am happy to answer for you, the black spots on the lotus root are broken, and the black spots on the lotus root can appear on the spoiled state liquid, the color becomes darker and blacker, and a large number of bacteria and other microorganisms can be bred, so the lotus root can not be eaten. Eating can easily cause nausea, vomiting and other gastrointestinal discomfort symptoms, if there are uncomfortable symptoms, you should go to the hospital for treatment in time. If the lotus root has deteriorated and has black spots, it should not be eaten.

Lotus root is rich in vitamins, white matter, starch, minerals and other nutrients, and proper consumption has certain benefits for the body.

It is not recommended to continue to eat this piece, the blackening is already more serious, if your hand is burnt during the cooking process, it is a change of quality, it is easy to breed bacteria, and it will hurt your stomach.

Oh oh okay.

It's just broken, isn't it?

Yes, kiss and see that ** has deteriorated, and it is not recommended to continue eating it for the sake of insurance.