How to preserve fruits in summer？ Not all fruits can be refrigerated!
Summer is coming, and a large number of fruits are on the market. Many office workers like to buy more at one time on weekends, keep them in the refrigerator, and take them out when they want to eat, which makes them feel cold. However, not all fruits are suitable to be stored in the refrigerator, and some fruits are naturally "cold-afraid". Putting them in the refrigerator will not only freeze the fruits, but also destroy their quality and flavor.
In general, the daily preservation of fruits can be divided into the following four categories:
1, can’t put it in the refrigerator, otherwise it will be frostbitten. Such as bananas, carambola, loquat and so on.
2. It can be put in the refrigerator, but it must be ripened first (that is, the unripe fruit cannot be put in the refrigerator). Such as durian, Sakyamuni, passion fruit, persimmon, etc.
3, it must be put into the refrigerator to last for a long time. Such as: peach, mulberry, plum, litchi, longan, rambutan, cherry, chestnut, guava, grape, pear, strawberry, mangosteen, pitaya, melon, grapefruit and so on.
4. It can be stored at room temperature or refrigerated in refrigerator. Such as: lemon, pineapple, grape, orange, olive, jujube, apple, watermelon, orange, coconut, grapefruit, sugarcane and so on.
There is a knack for storing fruit.
Because of different kinds of fruits, the optimum storage temperature is also different.
watermelon
Watermelon is stored at 10-12 degrees Celsius, and chilling injury will occur when the temperature is lower than 9.5 degrees Celsius.
Watermelons that have not been cut can be stored for more than 10 days at room temperature. Pay attention to placing watermelons in a cool, ventilated and dry place suitable for watermelon storage. If you want to eat some cold taste, you can put the watermelon in the refrigerator for two hours before eating, and the flavor is the best.
Watermelon itself has a high content of water and fermented sugar, which is easy to breed bacteria. After watermelon is cut, the internal fermented sugar is in direct contact with the outside world, which is easy to breed bacteria. Therefore, after watermelon is cut, it must be stored in the refrigerator, but it can only be stored for 12 to 24 hours at most.
mango
The best storage temperature of mango is about 10℃-13℃, and the peel will turn black when the temperature is lower than 8℃.
Therefore, it is best to store mango in a dark and cool place. If it must be placed in the refrigerator, it should be placed in a vegetable and fruit tank with higher temperature, and the storage time should not exceed two days.
banana
Bananas are most suitable for storage at 8℃-23℃. High temperature will easily lead to over-ripening and blackening, while temperature below 5℃ will easily lead to frostbite and blackening.
You can wash the bunches of bananas you bought with clean water, wipe the water with a clean cloth, put the bananas in a plastic bag, put an apple in it, exhaust the air from the bag as much as possible, tie the bag tightly, and put it in a ventilated and cool place at home.
grape
As soon as many people buy grapes home, they are used to washing them immediately and putting them in the refrigerator, which is very undesirable.
It’s best to wait until the grapes are ready to be eaten before washing them. It’s easy to go bad after washing and storing them.
The correct way is to sort out the bad grains and sundries in the grapes, then cut them off one by one and put them in a fresh-keeping box, but keep the pedicel and don’t expose the pulp to the air, otherwise it will not only attract insects, but also accelerate oxidation. After that, absorb the water with paper, seal it with plastic wrap and put it in the constant temperature room of the refrigerator.
mangosteen
Mangosteen is easy to deteriorate. If you want to keep it for a long time, you must ensure low temperature and less oxygen.
In general, tropical fruits can’t be stored in the refrigerator, but mangosteen is different. Because low temperature can reduce the loss of water in mangosteen, reduce the activity of pectinase and delay aging, mangosteen should be stored in refrigerator.
pawpaw
Mature papaya pulp is very soft and difficult to preserve, so you should eat it immediately after buying it back.
If you don’t intend to eat it immediately after buying it, it is recommended to choose papaya that is not completely yellow and slightly blue. It will be left for 1 to 2 days after you get home, and then wrapped in a fresh-keeping bag and put in the refrigerator for refrigeration. It can be kept for about 4 to 5 days at most. The optimum storage temperature of papaya is about 7℃.
Three points for attention when eating iced fruits.
(1) Note 1:
Eating time is particular. Try not to eat chilled fruit when you are just full or on an empty stomach. You can eat it after 1~2 hours after meals.
(2) Note 2:
It is advisable not to eat too much each time, so as not to cause gastrointestinal discomfort. For example, don’t eat more than 500 grams of watermelon at a time, about 15 grapes, no more than 1 peach and 10 ~ 15 strawberries.
(3) Note 3:
If the watermelon is not eaten at one time, the surface should be cut off before eating it next time, and other fruits stored in the refrigerator should be washed again before eating.