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Refrigerators for food storage should not store chemicals at the same time.
Bananas: When stored in an environment below 12, it will make it black and rotten.
Cucumber: If left in the refrigerator for three days, the skin will become water-soaked and lose the flavor it holds.
Tomatoes: When frozen, some or all of the fruit will be soaked in water and soft and rot, showing brown round spots.
Bread: During the baking process of bread, the starch linear parts in the flour have aged, which is why the bread develops an elastic and soft structure. As the bread is left for a longer period of time, the amylopectin in the bread slowly associates, and the soft bread gradually hardens, a phenomenon called "aging".
The rate at which "aging" is temperature dependent. It ages faster at low temperatures (above the freezing point), while bread hardens faster when it is stored in the refrigerator.
Cucumber and green peppers: Cucumbers and green peppers that have been stored in the refrigerator for a long time will cause frostbite "injury" - blackening, softness, and taste. Cucumbers also grow sticky hair.
Because the temperature stored in the refrigerator is generally about 4 to 6, while the suitable storage temperature for cucumbers is 10 to 12, and green peppers are 7 to 8. Therefore, it is not suitable to exist for a long time.
Ham: If stored in the refrigerator, the moisture in it is easy to freeze, which promotes the oxidation of the fat in the ham, and the quality of the ham will be significantly reduced, so that the shelf life is greatly shortened.
Chocolate: In summer, the indoor temperature is generally around 25, at this time, if the chocolate is taken out of the refrigerator, the surface of the chocolate will immediately frost, and after a long time, the chocolate will become mildew or insects due to moisture.
Leafy vegetables: It is best not to put them next to the refrigerator, otherwise they will rot.
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The above (greater than 0°), because the fruit placed in the refrigerator is frozen and other foods are not frozen, one is that the temperature of the refrigerator is set too low, and the other is that the fruit is probably placed on the back wall of the refrigerator or the lower part, because the back wall of the refrigerator is an evaporator, the temperature of the compressor is very low when working, and the temperature of the lower part of the refrigerator is lower than that of the upper part.
If your refrigerator thermostat is mechanical, it should be adjusted according to the seasonal temperature changes, in spring and autumn it should be adjusted in the middle gear, in summer it should be appropriately lowered (1-2 gear), and in winter it should be appropriately adjusted higher, keeping the temperature of the freezer room at minus 18 degrees and the temperature of the refrigerator room between 4-8 degrees. If the temperature is adjusted too low, it is not good for food preservation, and the second is increased power consumption.
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Bananas, lychees, most leafy vegetables (but cabbage is put in the freezer and then taken out to eat, it is better than the original, crispy, and easy to cook.) Leafy vegetables should be placed in a 0° room, and it is best to cut off the core.
Chestnuts will not rot when they are put into the freezer.
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It is better not to put pears in the refrigerator, and the same is true for grapes, cut watermelons, which need to be eaten for a day or two.
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Fruits that are ripe and prone to frostbite at low temperatures.
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Fruits that should not be stored directly in the refrigerator:
1. Tomatoes.
Putting tomatoes in the refrigerator will cause them to lose their original flavor, and the low temperature of the refrigerator will change the texture of the tomatoes, such as breaking the membranes in the tomatoes. The cold air in the fridge also stops the ripening process of tomatoes, which can make tomatoes taste better.
So, to make tomatoes taste better, keep them in a basket or bowl in a cupboard.
2. Bananas. Bananas are more nutritious at room temperature, so they should never be kept in the refrigerator. The cold temperatures actually slow down the ripening process of the bananas, and the moisture and darkness of the refrigerator only encourage the bananas to rot.
According to the Canadian Produce Market Association, bananas are best kept outside, such as on a cupboard, until ripe.
3. Whole watermelon.
Watermelons that have not been cut do not need to be put in the refrigerator. A study by the U.S. Department of Agriculture has found that preserving watermelon at room temperature is effective in maintaining antioxidant content. But it's important to note that this refers to a whole watermelon.
The watermelon that has been cut needs to be covered with plastic wrap and put in the refrigerator.
4. Pears. Many people may not know that, unlike many other fruits, pears do not ripen on the tree. This means that they need to be picked and stored at room temperature before they slowly mature.
Therefore, to avoid underripe pears, refrigeration should be avoided. Low temperatures can delay the ripening process of the fruit and make it no longer fresh.
If the pears are already ripe, they can be kept in the refrigerator for a longer period of time.
5. Pineapple. Once a pineapple is picked, it does not continue to ripen. Therefore, it is not recommended to refrigerate pineapples, and it is best to keep them at room temperature. This is especially true if you plan to eat it as soon as you buy it.
Ripe uncut pineapples can usually be stored at room temperature for about 3 days. Sometimes, the storage time may be longer, depending on the surrounding environment.
If they have been cut and cannot be eaten within a few days, they should be put in the refrigerator. Cut pineapples can be stored in the refrigerator for 2-4 days.
6. Apples. Apples do not need to be stored in the refrigerator. Because at room temperature, the enzymes in apples become more active. Apples can usually be stored for about 1-2 weeks at room temperature.
Apples release a gas (ethylene) that helps other fruits ripen faster, so when it's time to ripen other fruits, keep them with apples.
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Most tropical fruits are afraid of cold and should not be kept in the refrigerator. Frostbitten fruits are not only destroyed in nutrients, but also spoil easily. After a few more days, the flesh will rot.
Generally speaking, temperate fruits, such as grapes, apples, pears, etc., can be kept fresh in the refrigerator. Bananas and mangoes, on the other hand, will turn black when they are stored at a temperature of 10 °C; Pineapple is stored at 6 -10 times, not only the skin will change color, but the flesh will also be soaked in water; Lychee, longan, rambutan, etc. are stored under 1 -2 conditions, the color of the exocarp will be darkened, and the endocarp will appear like burn-like spots, and such fruits are often no longer eaten.
The preservation of fruits should also be sorted and disposed of, and should not be blindly stuffed into the refrigerator.
Category 1 Do not put in the refrigerator, otherwise you will get frostbitten. Such as: banana, star fruit, loquat, etc.
The second type can be put in the refrigerator, but it must be ripened first (i.e. unripe fruits should not be put in the refrigerator). Such as: durian, mango, shakya, passion fruit, persimmon, papaya, etc.
The third category must be put in the refrigerator in order to be stored for a long time. Such as: peach, mulberry, plum, lychee, longan, rambutan, cherry, chestnut, guava, grape, pear, strawberry, mangosteen, dragon fruit, melon, grapefruit, etc.
The fourth category can be stored at room temperature or refrigerated. Such as: lemon, pineapple, grape, orange, olive, date, apple, watermelon, orange, coconut, grapefruit, sugarcane, etc.
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Bananas: If the bananas are rotated below 12 to store, the bananas will turn black and rot. Bananas are tropical fruits, and the suitable storage temperature is about 12, while the temperature of the refrigerator is generally 0 4, so if you put bananas in the refrigerator, it is easy to suffer from cold injury, reduce nutrition, and even cause rot.
Fresh lychee: If the fresh lychee is left in an environment of 0 for one day, the skin will turn black and the flesh will become flavorful.
Tomatoes: After tomatoes are frozen at low temperature, the flesh is blister-like, soft and rotten, or there are black spots on the surface, undercooked, no umami, and in severe cases, they are rancid and rotten.
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Peaches, mulberries, plums, lychees, longans, rambutans, cherries, chestnuts, guavas, grapes, pears, strawberries, mangosteen, dragon fruit, melons, grapefruits, etc. Apple. Snow pear. Orange. Watermelon. Hami melon.
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It's basically a non-tropical fruit! Such as those with a high water content.
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Apple. Snow pear. Orange. Watermelon. Hami melon.
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I remember there were bananas, I guess they were the fruits of the tropics.
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Hot things should not be placed in the refrigerator.
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Most of the dragon fruit, mango, lychee, longan, papaya, rambutan, and banana are more sensitive to cold and should not be refrigerated in the refrigerator. The peel is dented and some black-brown spots appear, indicating that the fruit is frostbitten. Frostbitten fruits are not only destroyed in nutrients, but also spoil easily.
After a few more days, the flesh turns brown in color and begins to rot, and such fruit is often no longer edible.
Tomatoes should not be stored in the refrigerator. Because after the tomatoes are frozen at low temperature, the flesh will be blister-like, the umami will disappear, it is not easy to cook, and in severe cases, it will be rancid and rotten.
Traditional Chinese medicine should not be placed in the refrigerator, the herbs are put in the refrigerator, mixed with other foods for a long time, not only all kinds of bacteria are easy to invade the herbs, but also easy to get damp, destroying the medicinal properties of the herbs, so for some valuable herbs, such as ginseng, deer antler, gastrodia, codonopsis, etc., if you need to store them for a long time, you can put them in a clean glass bottle, and then put in an appropriate amount of glutinous rice that is fried with a simmer until it is dark yellow, and put it in after cooling, seal the bottle cap tightly and put it in a cool and ventilated place.
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For example, mangoes, persimmons, bananas and other fruits of the sauce (that is, fruits that can be peeled and have a paste-like pulp) are easy to turn black and rot when stored below 12; Citrus fruits such as oranges, lemons, and oranges are easy to seep into the pulp at low temperatures, resulting in bitter flesh; Strawberries, bayberry, mulberries and other ready-to-eat fruits will not only affect the taste when put in the refrigerator, but also easy to mildew, so it is best to buy and eat immediately;
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Bananas should never be put in the refrigerator.
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Some tropical fruits, some fruits that are clearly ripe, and a lot of different fruits are not very good together.
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Generally, the temperature of each part of the double-door refrigerator is the lowest in the freezer, which is minus 18, the highest is the refrigerator on the lowest floor, which is 7, and the other refrigerators are between 1 and 7. �
The optimal temperature for storing vegetables and fruits is based on reliable data obtained through scientific experiments. The suitable storage temperature for cabbage, lettuce, spinach, celery, cauliflower, onions, cabbage, carrots, peaches, grapes, apples, strawberries, etc. is about 0. Most of the other vegetables and fruits are above 0.
Among them, cucumbers, eggplants, tomatoes, and persimmon peppers that people often eat are all between minus 2 10; Bananas, lemons, etc. are around 13 15. �
Obviously, fruits and vegetables such as bananas, lemons, pumpkins, etc., which have a suitable temperature of more than 10, have exceeded the maximum temperature of the refrigerator and are not suitable for putting them in the refrigerator. Otherwise, it will be "coldly damaged". For example, tomatoes, cucumbers, and bell peppers can also be put in the refrigerator at a minimum suitable temperature of minus 2, but they should only be stored for two or three days, and the time can not be longer, otherwise, they are also prone to mild "cold damage".
As for fruits and vegetables that are suitable for storage at a temperature above 0 and below 0 and below 7, they can be safely placed in the refrigerator of the refrigerator for preservation and freshness, and even if they are stored for a few more days, they can maintain their original unique color and umami.
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Various tropical fruits such as dragon fruit, mango, lychee, longan, papaya, rambutan. Bananas, mangoes.
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Most tropical fruits are not.
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Basically all tropical fruits...
It doesn't need to be said at length, it's simple!
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