The moldy tofu ferments and grows black, and the fermented surface of the moldy tofu turns black, ca

The black one should be Aspergillus niger, it is best not to eat it, the condition is not well controlled, it may be poisonous.

Moldy tofu, Hunan cuisine - Xiaoxiang flavor, in the Yashui area of Huishui County, the Buyi people, is a young man, named Acen invented. Moldy tofu is a common Han characteristic bean product in southern China, its production method is to use fresh tofu, put it for about a week to become moldy, fermented tofu mixed with seasonings, and then put it into the tile jar after white wine. Mould tofu is a traditional food loved by the Chinese, which tastes great, contains a variety of amino acids, minerals and B vitamins needed by the human body, has high nutritional value, and has the functions of appetizing, de-fire and seasoning.

Raw material. 5 catties of fresh tofu, an appropriate amount of high liquor.

Seasoning. 8 grams of chili noodles, 3 grams of pepper noodles, salt, chicken essence, and fresh orange peel foam.

Method. 1. The first thing to do when making moldy tofu is to buy tofu, after the tofu is purchased, cut into cubes, and choose the size of your choice.

2. Put the tofu for a period of about a week to ferment well.

3. Prepare all the seasonings and put the fermented tofu into a pot;

4. Put all the seasonings into a bowl and stir well;

5. Pour the high liquor into the basin with the tofu, pass all the tofu through the high liquor, and let the tofu cubes take a bath;

6. Evenly dip the tofu dipped in liquor with 3 kinds of seasonings;

7. Put it in a tile jar.

Moldy tofu. The fermentation surface turns black, the black one should be Aspergillus niger, it is just a secondary fermentation, it will oxidize and turn black, which is harmful to the body, but it is best not to eat it, because it is not a normal phenomenon for the fermented bean curd to turn black. It is recommended to eat what has not spoiled, so as not to lose more than you gain.

How to avoid spoilage of moldy tofu:

The first trick: must use dry chopsticks without water. Every time you eat, use clean chopsticks to take it out, and don't put it back in the bottle if you haven't finished it to avoid nitrite.

The second trick: low temperature preservation, uneaten bean curd should be stored in the refrigerator.

The third trick: don't pour out the soup in the bean curd. Don't pour out the fermented bean curd juice before you finish eating, the fermented fermented fermented bean curd has the effect of preventing deterioration, and the leftover fermented fermented bean curd can be used to cook vegetables, such as: fermented bean curd water spinach, bean curd braised pork, etc.

How to identify moldy tofu

Although the moldy tofu I bought was beautiful in color and tasted okay, I was always a little worried. It's safe to do it yourself.

To identify the color of fermented bean curd, a sample is taken to open the package for observation, then the block of fermented bean curd is removed and carefully observed, and finally the inside is cut open to observe the inside.

Good quality bean curd - red side is red or jujube red on the surface, apricot yellow on the inside, bright in color and shiny; The appearance of the bad side is creamy yellow; The green square has a bean green appearance.

Inferior bean curd - all kinds of bean curd are not bright in color and become dull.

Inferior bean curd - gray and dull in color, with black and green spots.

The above content reference: Encyclopedia - Sufu (moldy tofu).

1. You can't eat it.

Normal edible moldy tofu hair color is white, if gray, color, brown hair belongs to the moldy phenomenon, such moldy tofu contains toxic mold, eating is likely to cause people to have food poisoning symptoms, for the sake of health and safety, must not eat gray hair.

of moldy tofu. The color of moldy tofu wool will change due to different production methods, such as people use moldy tofu blank to add red tofu, and add bitter syrup water and salt water during the pickling process, then the moldy tofu with bean green color will be normal, and it can be eaten with confidence.

2. It can be eaten in the case of white hair.

In the process of making moldy tofu, the tofu cut into small cubes will be placed on a clean rice sieve, and about a week or so, a layer of fluffy mold mycelium will grow on the surface of the moldy tofu, which is clean mold and does not produce toxins, so it can be eaten with confidence. But if it's moldy tofu.

After it is done, other fimbria that grow out of mold due to improper storage or too long time cannot be eaten, and the tofu in this case is spoiled and poisonous.

As far as I know, it's because the temperature is too low, so it doesn't grow hair, and yellow things are also a symptom of mold. It doesn't matter, you can eat it.

This is normal, you can wait a few more days and it will be much better.

4. Be sure to pay attention to the fact that the gray hair is virus, so you can't eat it.

My family has made moldy tofu, I think improper storage or too long time to cause moldy growth of other fimbrie, can not eat, in this case the tofu is spoiled and poisonous, must pay attention to preservation

The absence of hairs is due to the low temperature, which is caused by the slower growth of mucormycetes, which should be caused by an increase in temperature. The specific steps are as follows:

Ingredients: 500 grams of tofu, 80 grams of salt, 20 grams of dried chili peppers, 40 ml of white wine.

1. Soak the tofu in water for about ten to twenty minutes, remove and drain the water.

2. Cut the tofu into pieces of the right size, place them in the steaming drawer, cover them with gauze, and put them in a warm place to make it moldy.

3. After about a week, the surface of the tofu turns yellow.

4. Beat the dried chili peppers with a food processor.

5. Mix the chili powder with salt and fill an appropriate amount of high liquor in a clean container.

6. Pass all the tofu through the high liquor and let the tofu cubes take a bath; Then evenly dip the tofu soaked in white wine with chili seasoning.

7. Put it in a tile jar and continue to ferment for about a week.

8. When eating, pour an appropriate amount of sesame oil, so that the moldy tofu is ready.

Fermentation failed. 2 It should be hairy in 3 days. The slippery yellow thing on the surface is bacteria. I can't eat this thing, so throw it away.

If the temperature is not enough, it can only grow white hairs if it is warmed.

Mine too, I don't know if I can eat it.

If it is successful, it can be eaten, and the degree of fermentation is different, and the mold will change a little.

If you eat it, you will be happy, and you really have the talent to keep it for a long time and not throw it away.

Moldy tofu grows black hairs in fermentation, and the black one should be Aspergillus niger, which is mainly due to the rot of grains, foods, grains, fruits and vegetables with high moisture, and it is best not to eat them, and the conditions may be toxic if they are not controlled. Therefore, if the moldy tofu with black hair is relatively slight, you can pick out the black hair and eat it in moderation.

Moldy tofu will gradually change color during the mold process, and the more common colors are white, red, and cyan. However, some moldy tofu has black hairs on it, and moldy tofu will gradually change color in the process of mold, and the more common colors are white, red and cyan. However, some moldy tofu has black hairs on it.

Moldy tofu is also a traditional snack of ours, which is made from tofu wrapped in seasonings and naturally fermented and hairy, also called fermented bean curd. The taste of moldy tofu is relatively strong, so it is suitable for seasoning or rice. It is normal for moldy tofu to become moldy, but it also depends on what color mold it is.

If it's black or green, it's broken. If you're interested, read on.

Usually, moldy tofu and black mold are caused by secondary fermentation. It is a type of Aspergillus niger, which is a harmful substance. If you continue to consume it, it may cause harm to the human body.

Moldy tofu itself produces alkaline nitrogen and other substances during fermentation, which may increase the risk of human cancer after entering the body. In addition, moldy tofu also contains a lot of salt, and excessive consumption can also affect human health. Therefore, moldy tofu should be consumed as little as possible.

This kind of blackening is generally abnormal and harmful to the human body, so it is not recommended to consume it. If moldy tofu is left out for a long time, it will rot and produce black mold or green mold. This is a type of mold that contains toxins that can be harmful to health if consumed by humans.

The normal natural moldy color of moldy tofu should be white or yellow, some will add red yeast rice so it is red, and the cyan one is generally added with bitter syrup water and salt water.

The color of normal moldy tofu should be yellow or white. There will be a layer of moldy hairs on the tofu, this is edamame tofu, and some black particles will be evenly distributed on the thick and pure white hairs, these are spores, indicating that the edamame tofu is mature, this is edible, not moldy. Spoiled moldy tofu, on the other hand, is black or green in color, and aflatoxins are produced on the surface of this moldy tofu.

After eating, it is extremely harmful to health. Therefore, black or green moldy tofu is not edible.

Moldy tofu in bean food is a very popular way to eat, moldy tofu is sold in the market, but there are also people who like to make it at home, although the moldy tofu sometimes smells very pungent, but if you eat it, the taste is very delicious, although the moldy tofu is delicious, but many people are not easy to identify whether the moldy tofu is moldy, sometimes the surface of the moldy tofu is blackened, and I don't know if it can be eaten?

Can you still eat moldy tofu when the surface is blackened?

Can you eat moldy tofu when the surface is black?

The gray-black should be Aspergillus niger is the second fermentation, which will produce air oxidation and blackening, which is harmful to the human body, but it is best not to eat, because black tofu milk is not a normal condition. It is recommended to eat without mildew to prevent small losses.

Aspergillus niger damage.

1. Because of the rapid growth and development, it is very easy to pollute the environment according to the diffusion of gas, which poses a threat to the production and testing staff of commodities and the natural environment.

How to prevent moldy tofu from mildew.

The first trick: it is necessary to have dry and irritable wooden chopsticks without moisture.

Every time you eat, use clean wooden chopsticks to take it out, and don't put it back in the bottle if you haven't eaten it to prevent sodium nitrite.

Can you still eat moldy tofu when the surface is blackened?

The second trick: ultra-low temperature storage.

Uneaten tofu should be stored in the refrigerator.

The third trick: the juice in the tofu does not have to be thrown away.

If you don't eat it, you don't have to pour out the fermented bean curd juice, which has the effect of avoiding mildew, and the uneaten fermented fermented bean curd can be cooked, such as: fermented bean curd water spinach, braised pork with fermented bean curd, etc.

Can you still eat moldy tofu when the surface is blackened?

How to distinguish moldy tofu.

To be honest, although the moldy tofu I bought is beautiful in color and tastes good, I am always a little worried. It's still a peace of mind that you make by yourself.

When carrying out sensory identification of the color of tofu, first take the sample and open the packaging to carry out observation, then remove the tofu block and observe it carefully, and finally cut it open to observe the inside.

Good quality bean curd - the surface of the red square is bright red or burgundy, the inside is tender yellow, the color is gorgeous, and the glossiness is shiny; The surface of the bad side is yellowish-brown; The surface of the green square is green bean.

Inferior tofu - all kinds of tofu are not bright in color and are getting darker and darker.

Counterfeit and inferior tofu - dull color, dull, gray-black, emerald green black spots.

So that it becomes black without being well packed and sealed. The air that goes in is oxidized.

Black is also moldy, but this one is not edible, and it cannot be eaten.

Moldy tofu fermentation in the growth of black hair, should be Aspergillus niger, it is best not to eat, the conditions are not well controlled, fall the miscellaneous bacteria, take something to cover it, the miscellaneous bacteria competition but will die by themselves, if you continue to grow, it is not recommended to eat.

Moldy tofu ferments and grows black mold, which cannot be eaten. The color of normal edible moldy tofu hair is white, if gray, black, and brown hair appears, it is moldy, and such moldy tofu contains toxic mold, and eating it is likely to cause people to have symptoms of food poisoning.

Tofu grows blackberries because it has deteriorated badly, and eating it at this time will be very harmful to the human body, because there are a lot of blackberries, so throw them away quickly.