Most families use refrigerators to store food, but which foods cannot be put into the refrigerator, do you know? This weekend, take a look at the black list of foods that can cause cancer in refrigerators. Are there any of these foods in your refrigerator? cucumber Cucumbers stay in the refrigerator for a long time and there is a chance of freezing “injuryâ€â€”blackening, softening, and smelling. Cucumbers also grow long hair. Because the temperature stored in the refrigerator is generally about 4°C to 6°C, and the suitable storage temperature for cucumber is 10°C to 12°C, the green pepper is 7°C to 8°C, so it should not be stored for a long time. Suitable storage temperature for cucumbers, eggplants, tomatoes, etc. is between 7.2°C and 10°C. chocolate After putting the chocolate into the refrigerator, the surface is prone to white frost, not only losing the original mellow taste, but also conducive to the proliferation of bacteria. Li Li said that the best temperature for storing chocolate is 5°C-18°C. When the room temperature in summer is too high, it can be sealed with a plastic bag and then stored in a refrigerator freezer. When you take it out, don't open it immediately, let it slowly warm to room temperature before eating. bread During the baking of the bread, the starch linear fraction in the flour has aged, which is why the bread produces a flexible and soft structure. With the extension of the shelf life, the linear portion of the amylopectin in the bread slowly associates, and the soft bread gradually hardens. This phenomenon is called "changing." The speed of "changing" is related to temperature. At low temperatures (above the freezing point), the aging is faster, while in the bread freezer, the degree of hardening becomes faster. fish Can not put too long in the refrigerator fish should not be stored too long, the refrigerator temperature is generally -15 °C, the best refrigerator can only reach -20 °C, while aquatic products, especially fish, in the storage temperature is not When the temperature reaches -30°C, dehydration or other changes may occur in the fish tissue. For example, if the carp is refrigerated for a long time, it is prone to fish rancidity, and the meat quality changes and cannot be eaten. Therefore, the time for storing the fish in the refrigerator should not be too long. traditional Chinese medicine Should not be placed in the refrigerator, herbs in the refrigerator, and other foods mixed for a long time, not only a variety of bacteria can easily invade the herbs, and easy to damp, destroy the medicinal properties of herbs, so for some valuable herbs, such as ginseng, Deer antler, gastrodia, codonopsis, etc., for long-term preservation, can be placed in a clean glass bottle, and then put in the right amount of simmered with dark yellow glutinous rice until cool, put it in, seal the bottle cap, set aside in the shade Ventilation. Leftover moon cake Moon cakes are made from ingredients such as flour, oil, sugar and nuts, and are baked pastries. Baked foods should not be stored in the refrigerator. Although for some varieties of moon cakes, the refrigerator can extend the shelf life, but it will affect the flavor. This is because the starch in the raw materials of the moon cake is matured after being baked and becomes soft, and under the condition of low temperature, the matured starch will precipitate water and become aged (that is, “return to lifeâ€), causing the mooncake to change. Hard, bad taste. There are six taboos for storing and freezing food: 1. Hot foods must not be placed in a running refrigerator. 2, store food should not be too full, too tight, to leave gaps in order to facilitate the convection of cold air, reduce unit load, extend service life, save power. 3, food can not be cooked and mixed together to maintain hygiene. 4, according to food storage time, temperature requirements, rational use of space inside the box, do not put food directly on the evaporator surface, to be placed in the container, so as not to freeze on the evaporator, inconvenient to remove. 5, fresh fish, meat and other food can not be processed into the refrigerator. Fresh fish and meat are packed in plastic bags and stored in the freezer. Vegetables and fruits should be wiped dry on the outside surface, placed in the bottom of the box, to zero temperature storage is appropriate. 6, can not bottled liquid beverage into the freezer, so as not to freeze the crack bottle. Should be placed in the refrigerator or on the door, with a temperature of about 4 °C is best stored. Refrigerators that store foods should not store chemicals at the same time. 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