How to tell if shiitake mushrooms are bad How to tell if shiitake mushrooms are bad

1. Judging by smelling the smell, fresh shiitake mushrooms smell fresh, and conversely, bad shiitake mushrooms will smell sour.

2. From the appearance, the surface color of the broken shiitake mushrooms is a little light gray and the shape is shriveled, while the surface of the fresh shiitake mushrooms is relatively smooth and the color is bright white.

3. If you find that the shiitake mushroom is covered with a thin layer of mold and mucus or something white, it means that the shiitake mushroom has been spoiled, and remember not to eat it.

4. Judging by pinching the flesh on the surface of the mushroom, if the flesh of the mushroom is not elastic and easy to deform, and the mushroom is easy to turn black under the mushroom, it means that the mushroom is likely to have deteriorated and cannot be eaten.

1. Smell the smell. If the shiitake mushroom is bad, it will smell a little sour.

2. Look at the color. If the shiitake mushroom deteriorates, it will be found that the performance of the shiitake mushroom will be black and hairy, which is the characteristic of change.

3. Touch with your hands. If the shiitake mushroom is broken, touch it with your hands, and you will find that the shiitake mushroom is a little sticky, soft when touched, and has a brushed feeling to the touch.

Whether there is white or green powdery mold on the brown surface of fresh shiitake mushrooms, whether the surface color turns black or red, if there is a phenomenon of mold and deterioration, if it is dried shiitake mushrooms, once spoiled, the color will also change, and there may be insects inside.

If the mushroom is bad, it smells sour and smelly, not fresh, and if it is bad, it will grow mold. Look

Looking at the color contrast of fresh shiitake mushrooms, this is the most straightforward way, and the second is to smell the smell.

Look at the color of the fresh one, and look at the softness after the dry soaking.

The most straightforward way can be distinguished by the smell and the color of the shiitake mushrooms.

1. How long can shiitake mushrooms be stored without mold and deterioration, and they can be eaten for a few days. Some people are worried that such shiitake mushrooms cannot be eaten, in fact, as long as they are well preserved and there is no mold, rot, deterioration and other phenomena, shiitake mushrooms that have been put for a few days are edible. 2. How to store shiitake mushrooms well 1

Soak in salt water to remove the debris at the root of fresh shiitake mushrooms, soak them in 1% salt water for 10-15 minutes, drain them after removal, and put them in plastic bags to keep them fresh for 3-5 days. 2.Soak the fresh mushrooms in water, wash them, put them in a container, pour water to submerge the mushrooms, and press a heavy object if the mushrooms float up.

This method is suitable for short-term storage, and care should be taken not to use iron containers to prevent fresh shiitake mushrooms from turning black. 3. How to judge whether shiitake mushrooms are spoiled, shiitake mushrooms are easy to deteriorate if they exist in a humid environment for too long, and whether they are spoiled can be considered from the following aspects: first, see whether there is white or green powdery mold on the brown surface of shiitake mushrooms, and whether the surface color turns black or red; second, whether there is a peculiar smell of shiitake mushrooms, and there is no special aroma of shiitake mushrooms; Third, when touching and pinching shiitake mushrooms with your hands, whether there is a moist and sticky feeling, judge whether there is elasticity, whether it is easy to deform, and try not to eat sticky and inelastic shiitake mushrooms.

4. How to make shiitake mushrooms delicious.

1. Stir-fried meat with beans and shiitake mushrooms: eight dried shiitake mushrooms, eight taels of beans, half a kilogram of tenderloin, 2 cloves of garlic, seasonings: light soy sauce, corn starch, Lee Kum Kee spicy bean paste, how to soak shiitake mushroom water:

1.Wash the dried shiitake mushrooms, soak them in water until they are soft, and cut them into strips; 2.Wash the tenderloin and cut into strips, add 2 tsp cornstarch, 2 tsp bean paste, 1 tsp light soy sauce and marinate for 15-20 minutes; 3.

Wash the beans and cut them into sections; Crush the garlic; 4.Add an appropriate amount of oil, heat a frying pan over medium heat, add shiitake mushrooms and stir-fry until fragrant, then add the meat strips from Method 2, stir-fry until the meat strips are slightly charred, and finally add minced garlic and beans to stir-fry until the beans turn bright green, add the sauce (2 tsp cornstarch dissolved in the mushroom water, add 1 tsp light soy sauce) to thicken, remove from the pot. 2. Ingredients for stewed mushrooms with chicken nuggets:

Chicken, dried shiitake mushrooms, green onions, ginger, salt, dark soy sauce, light soy sauce, sugar, seasoning, bay leaves, etc. Method:1

Break the shiitake mushrooms into two or three cloves and soak them in water. 2.Cut the chicken into pieces, wash it twice with water, pour water into the pot and add a few slices of ginger to boil half-boiled, then put in the chicken and blanch the blood.

3.Remove the chicken, wash and drain the water and set aside, remove the foam and leave the remaining water for later use. 4.

Pour an appropriate amount of oil into the pot and add sugar when it is hot, put in the chicken pieces to color after the saccharification is removed, stir-fry until the surface is slightly yellow, add light soy sauce and dark soy sauce, then add green onions and ginger slices and stir-fry until fragrant, and then add bay leaves and other ingredients. 5.Pour in the hot water you just left.

If there is too little water, you can add an appropriate amount of warm water. Add shiitake mushrooms. Bring to a boil over high heat, turn to medium-low heat and simmer for 15-30 minutes.

6.Simmer until the soup thickens, add salt. Simmer for another 15 minutes and serve.

How to tell if shiitake mushrooms have gone bad.

1. Look: whether there is white or green powdery mold on the brown surface of fresh shiitake mushrooms, whether the surface color turns black or red, if there is a phenomenon of mold and deterioration, if it is dried shiitake mushrooms, once it is spoiled, the color will also change, and there may be insects inside.

2. Smell: whether there is a peculiar smell of shiitake mushrooms, and there is no special aroma of shiitake mushrooms, if you smell the smell of musty, fermented and rotten food, it means that the shiitake mushrooms are moldy and deteriorated, and the dried shiitake mushrooms may smell other special peculiar smells if they are bad.

3. Touch: When touching and pinching fresh shiitake mushrooms with your hands, whether there is a moist and sticky feeling, pressing and inelasticity, whether it is easy to deform, such as sticky and inelastic shiitake mushrooms are spoiled shiitake mushrooms, and once the dried shiitake mushrooms are not dry, the hands are sticky, then these must be bad.

You can look at the surface of the shiitake mushroom for damage, mold, etc.

If the color turns black, there is a peculiar smell, and the feel is sticky, it should be bad, don't eat it, the mushroom umbrella of fresh shiitake mushrooms is brown and the flesh is elastic.

When buying shiitake mushrooms, you must smell them to see if they have a pungent smell other than the fresh fragrance of shiitake mushrooms, and avoid buying shiitake mushrooms that have been soaked in formaldehyde.

Don't eat it when it turns black, I ate the fresh shiitake mushrooms that turned black, I got food poisoning, vomiting, fever and weakness, I don't know if it's the location of the liver or the stomach, it hurt for 10 hours, and it didn't hurt until the next day! When the shiitake mushroom turns black, it should be spoiled! I ate a very small portion, only 6 of them, and I already had this reaction!

Hello, it's almost certain that it's spoiled.

Shiitake mushrooms are a kind of mushroom with a unique fragrance, under normal circumstances, dried or fresh shiitake mushrooms, this smell is very strong, and the taste is very good, and it tastes fragrant, and does not exude a sour or even rancid taste. If such a situation occurs, it can basically be concluded that it is deterioration.

If it is a dried shiitake mushroom and it has not been soaked, if it is dry, it should be normal to have a sour taste, but if it is a fresh shiitake mushroom or a soaked dried shiitake mushroom, it is not right to have a sour taste, so don't eat it.

Shiitake mushrooms judge whether they are bad or not as follows:

Smell it to see if the shiitake mushrooms have a pungent smell other than the fresh fragrance of the shiitake mushrooms, and avoid buying shiitake mushrooms that have been soaked in formaldehyde. The mushroom umbrella of fresh shiitake mushrooms is brown and the flesh is elastic, if the color turns black, there is a peculiar smell, and the feel is sticky, it should be spoiled and bad, and it is not edible.

How to store fresh shiitake mushrooms

Short-term preservation method: Do not get wet with fresh shiitake mushrooms, so as not to rot, put the umbrella face down and the handle up in the fresh-keeping bag, prick a few ventilation holes, and refrigerate it in the refrigerator, which can be kept fresh for about a week. Fresh shiitake mushrooms can be stored for about 15 days at about 5, but because they have been damaged during transportation, this shelf life will be shortened, so it is best to store them in the refrigerator for no more than a week, and the best consumption period is less than 3 days.

If you find that the mushrooms have more moisture, do not rush to put the mushrooms in the refrigerator for preservation, spread out the mushrooms and place them on the cool floor to dry for a few hours, and then put them in the refrigerator after the mushroom umbrella color turns gray or appears dry, long-term storage method If you want to store it for a long time, you can directly put the fresh mushrooms into a fresh-keeping bag, squeeze out the air, and put them in the freezer to freeze overnight.

When you take it out the next day, you will find that the shiitake mushrooms have been dehydrated, and only the surface of the mushrooms has water and dense small water droplets on the plastic bag. At this time, the hail chain takes out the shiitake mushrooms, absorbs the moisture on the surface of the shiitake mushrooms with paper pieces, puts them into another clean plastic bag, and puts them back in the refrigerator for freezing. After this treatment, the fresh shiitake mushrooms are turned into freeze-dried shiitake mushrooms that can be cooked directly.

After the shiitake mushroom is damaged, there is a green or white powdery mold on the buried surface, and the surface color is red or black; Shiitake mushrooms give off a musty smell or the smell of fermented rotten food; Shiitake mushrooms have a wet and lubricated feeling when touched, and they are easy to deform when pressed by hand.

Shiitake mushrooms have a unique taste, rich in nutrients, rich in vitamins and minerals such as iron, and rich in dietary fiber, which can promote gastrointestinal peristalsis to help digestion and defecation.

Shiitake mushroom: Shiitake mushroom belongs to the basidiomycetes, Umbellifera, Mouth mushroom family, and shiitake mushroom, which originated in China and is the second largest mushroom in the world and a precious edible mushroom with a long reputation in China. It is the earliest cultivation of shiitake mushrooms in China, and it has a history of more than 800 years.

Shiitake mushrooms are also famous medicinal mushrooms in China. Generations of medical scientists have written about the medicinal properties and functions of shiitake mushrooms.

Shiitake mushroom is a kind of food with the same origin as food and medicine, with high nutritional, medicinal and health care value.