What is the best way to keep watermelon fresh?

Under the premise of not producing peculiar smell, the lower the storage temperature, the better the meat flavor is, but it is prone to cold injury, which affects the appearance and reduces the value of the commodity. The longer it is stored at low temperatures, the more prone it is to chilling injury. When the chilling injury is severe, the flesh becomes lighter in color, the fiber increases, and the flavor deteriorates.

The symptoms of chilling injury often become more pronounced after the temperature rises out of the warehouse. The threshold (limit) temperature of watermelon chilling injury was 10 in Shanghai, 11 in Beijing, and 11 in Heilongjiang. Storage at this temperature does not cause chilling injury.

Therefore, when the storage period is short, it can be stored at a lower temperature, and when the storage period reaches more than 20 days, the storage temperature should be above the threshold to avoid the occurrence of chilling injury, or the use of high temperature (26, 4 days) pre-storage before storage can also avoid chilling injury. When the storage period is about 1 month, 14 16 is a safe temperature, but anti-corrosion measures must be taken.

Here's how: The shelves for storing watermelons should be away from the walls of the cold storage to prevent low-temperature frostbite watermelons. If rotten watermelons are found during the inspection, they should be picked out and discarded in time to prevent infection of other watermelons.

If there is moisture, the watermelon should be turned and drained to remove moisture. Strictly prevent rodent infestation.

Wrap it in plastic wrap and put it in the refrigerator. However, when you choose plastic wrap, you should choose PE material, which is safe and non-toxic, and brands such as Canon, Miaojie, Huizhong and so on. Don't choose poor quality goods such as Jieyang goods, otherwise the gains outweigh the losses.

If you have a well at home, you will have the utensils to put the watermelon in the well, so that it will not smell good, and it will be as cool as the fresh one.

Wrap in plastic wrap and freeze in the refrigerator.

Place in the refrigerator and apply plastic wrap. Do you have a deep well in your house? You can also put it inside.

Add magic and put it in the refrigerator, or just take it and finish it, and go to the stomach to insure

Place in the refrigerator or soak in well water.

Cover with plastic wrap and place in the refrigerator.

In the hot summer, the heat and watermelon are more compatible, we will buy watermelon to eat, so how to store the watermelon that we bought can't be eaten? A little trick in life teaches you how to make sure it's fresh.

Summary. Ordinary indoor storage: Choose a cool, ventilated, uninhabited vacant house as a storage room. Cleaned and disinfected, a layer of wheat stalks, sorghum or corn stalks is placed in the house, and then watermelons are placed.

Ordinary Zen Xiang Cave Indoor Storage: Choose a cool and ventilated, uninhabited Yanwei idle house as a storage room. Cleaned and disinfected, a layer of wheat stalks, sorghum or corn stalks is placed in the house, and then watermelons are placed. He Ku.

Sand storage method: store fresh watermelon in an empty room for 45 days, which can maintain good color, aroma, taste and nutritional value. Choose a clean house, spread 6 10 cm thick clean fine river sand, harvest 7 ripe watermelons on sunny days, leave 3 vine knots for each watermelon, cut off the two ends of the vine 3 cm from the knot, and immediately stain the incision with plant ash, leaving 1 green leaf for each melon knot.

After transporting the melons back to the house in time, they are discharged to the river sand one by one, covered with fine river sand, covered with 5 centimeters of watermelon kernel rice, and 3 leaves are exposed to make nutrients, so as to ensure that the melons are ripe.

Summary. I am the teacher of the question and answer the main Miao Miao, this method is only a few people will understand, first of all, we need to put the watermelon we bought on the board, and then insert a chopstick on the head or tail of the watermelon, the main function of this chopstick is to deflate the watermelon.

I am the main teacher of the question and answer, Miao Miao, this Fang Chen's spring method only answers the cheats A small number of people will understand, first of all, we need to put the watermelon we bought on the board, and then insert a chopstick on the head or tail of the watermelon, and the main function of this chopstick is to deflate the watermelon.

After the sharp sparrow is over-ventilated, the watermelon will not burst when it is cut, and the watermelon that does not explode will also be of great help to our later preservation. Secondly, wrap the remaining half of the watermelon in plastic wrap, and try to wrap the plastic wrap tightly before wrapping the base, the tighter the wrap, the better the preservation effect in the later stage.

Uncut watermelons can be placed at room temperature. Wrap the cut watermelon tightly in plastic wrap to expel the air inside, and then put it in the refrigerator. Before cutting watermelon, you must clean the watermelon, knife, and cutting board, wipe off the water, and then cut it, so as to reduce the invasion of bacteria in Huaizhou to the greatest extent.

After cutting the watermelon, put it in the refrigerator as soon as possible to keep it fresh, and you can't wait until you finish eating half of it to dispose of the other half. <

Uncut watermelons can be placed at room temperature. Wrap the cut watermelon tightly in plastic wrap to expel the air inside, and then put it in the refrigerator.

Watermelon preservation tips:

1. Before cutting watermelon, be sure to clean the watermelon, knife and cutting board, wipe dry the water before cutting, and minimize the invasion of bacteria.

2. After cutting the watermelon, put it in the refrigerator as soon as possible to keep it fresh, and you can't wait for half of it to be eaten before processing the other half.

3. When wrapping the watermelon in plastic wrap, you should not only cover the side of the watermelon pulp, but wrap half of the watermelon as a whole to make a closed old and rotten environment. Watermelons processed in this way will last a little longer.

1. Refrigerator refrigeration method: Wrap the watermelon in plastic wrap, and then place the watermelon in the refrigerator to refrigerate. 2. Cold water preservation method:

Wrap the watermelon in plastic wrap and put half a basin of cold water in a basin large enough, put the watermelon in the cold water, and change the water three times a day.

How to preserve watermelon

Not only are uncut watermelons and cut watermelons stored differently, but they also have different storage times. Here are two things we need to pay attention to when preserving watermelon.

For uncut watermelons, we can store them in a ventilated and cool place at home. At room temperature below 13 degrees Celsius, uncut watermelons can be stored for about two weeks. For watermelons that have been cut, we should eat them as soon as possible, even if they are stored in the refrigerator, they should be consumed within 24 hours.

When storing watermelons that have been cut, they must be wrapped in plastic wrap. Otherwise, in the complex environment in the refrigerator, the watermelon may smell with other things, and it will spoil faster.

How to save the cut watermelon

Cut watermelons can be wrapped in plastic wrap and stored in the freshness layer of the refrigerator; Cut watermelons can also be kept fresh with cold water, wrap them in plastic wrap first, and then put them in a basin with cold water. For the second preservation method, it is necessary to pay attention to changing the cold water frequently, which can prolong the freshness of the watermelon.

1. Wrap the cut watermelon in plastic wrap and put it in clean cold water.

2. Don't use too much water, let the watermelon float on the surface of the water, and change the water three times a day, so that the watermelon is particularly fresh.

3. If you want to keep the watermelon longer, you should also pay attention to the cleanliness of the knives and the cutting board.

4. When you want to eat it again, cut off the top layer of watermelon first.

5. Watermelon is still cut and eaten freshly, if it is put in the refrigerator, it is best to ominous potatoes for more than 24 hours.

The storage methods of watermelon are: room temperature storage, refrigerator refrigeration.

1. Store at room temperature. We must pay attention to room temperature storage, this method is only suitable for complete watermelons, without any cutting marks of the habit, generally a complete watermelon can be stored in the environment of room temperature, a month or so will not be bad, but also need to be careful when preserving, do not let the watermelon be exposed to the sun, and try to ensure that the place is placed in a cool and ventilated place, if placed in a sultry environment, the watermelon will accelerate ripening, even if it is not rotten, The taste of the flesh inside will also become unpleasant.

2. Refrigerate and store. Refrigerated in the refrigerator is suitable for both whole watermelon preservation and watermelon that has been cut and not eaten. Especially for the watermelon that is not eaten in time after being cut, it can be stored in the refrigerator, and it must be sealed with plastic wrap to prevent the smell of the refrigerator.

It should be consumed within two more days to prevent spoilage.

Watermelon growth process:

1. Germination stage and seedling stage. The period from the beginning of planting to the growth of the first true leaf of watermelon is the germination period, which generally takes about 10 days. Need to control the surrounding temperature at 28-30, watermelon from the first town to pick a true leaf to 5-6 pieces of this time is the seedling period of watermelon, generally takes about 30 days, at this time the watermelon leaf differentiation speed is relatively fast, but the leaf growth and leaf area growth rate is relatively slow, the growth of roots is relatively fast.

2. Vine extension and flowering period. The watermelon extension stage can be divided into early and late stages, and the internodes of the early plants begin to gradually elongate, and the number of leaves increases relatively quickly. After entering the late stage, the growth and development of watermelon roots, stems and leaves will be accelerated.

The female flowers of watermelons generally lose their ability to fertilize about 2 days after they open, while the pollen of male flowers loses their vitality after 2 days.

3. Fruit growth period and ripening period. During this period, the fruit of the watermelon will grow rapidly, and the volume and weight of the fruit will increase to about 90% of the final volume and weight. The ripening period of watermelon fruit is generally about 7-10 days, at this time the speed of fruit expansion begins to gradually decrease, the plant begins to senescing, the growth rate will also be significantly reduced, and the increase in the volume and weight of the fruit will slow down, and then stop.

The above content refers to Encyclopedia - Watermelon.