How do you keep fresh longan for a longer time?

Although the longan is delicious, if you put it directly in the plastic bag you bought, then the longan will be soft and rotten after a while. So there are some ways to keep the longan longer.

1.First of all, we need to put the longan in a dry environment to dry for a period of time, this time can not be too long, and one of the functions of air-dried longan is to make the skin of the longan do not have a lot of water, which is conducive to us to keep the longan for a little longer. We prepare a dry fresh-keeping bag, and then we put the longan in it and put away the seal of the fresh-keeping bag, we put the longan in the refrigerator for preservation, we must fasten the bag tightly when we preserve, because the humidity in the refrigerator is very high, so we must also pay attention to this part.

2.Quick-frozen preservation, the temperature of longan fruit is reduced to -30 within 1 hour, and long-term storage in the -18 environment. The fruit retains its original appearance and intrinsic flavor with less loss of nutrients. When serving, use cold hydrolysis first, and eat immediately.

3.Modified atmosphere preservation: after pre-cooling, packed in plastic bags, and then pumped, nitrogen-filled treatment, stored under the condition of 0 5 or 6 10, the preservation effect is very good, storage for 40 days, pay attention to adjust the proportion of carbon dioxide and oxygen in the storage environment during storage.

When the carbon dioxide concentration is higher than 13% or less than 3%, it is not good for longan storage, and it can also be pumped to the plastic bag, or pumped to fill nitrogen, which accelerates the reduction of oxygen, which is conducive to inhibiting the respiration of longan fruit and is conducive to long-term storage.

4.Dried and preserved, if you buy more longan, you can also choose to take the fresh longan to dry and preserve. Sun-dried longan is preserved for a long time, and it will also have a unique flavor.

The sun-dried longan should be placed in a box, covered with plastic, and then placed in a cool place, and should be checked frequently to prevent mold, insect damage, etc.

We can use the above methods, we can keep longan for a long time, and it will not be bad if it is left for a little longer. It's very simple and practical.

If you want to keep it for a longer time, you can put it in the refrigerator for refrigeration, and then take it out for a sealed seal.

Wrap the fresh longan and put it in the refrigerator. The water on the surface of the fresh longan is first air-dried, then put it in a plastic bag, tie the bag tightly, and finally put the bag containing the fresh longan in the refrigerator compartment.

Fresh longan can be packed in a plastic bag, squeeze out the excess air, and put it in the refrigerated layer of the refrigerator for preservation, which can be stored for two or three days.

If you store it for a long time, it is best to put it in a cool and dry place, do not seal it and put it aside, the temperature is two to six degrees, and if there is no condition, try to keep it dry, cool and ventilated.

Do you know how to preserve fresh longan? Let the young lady teach you how to extend the shelf life of fresh longan.

Store in the refrigerator.

Longan is high in sugar and calories, 12 longans have 60 calories, which is equivalent to a quarter of a bowl of rice. If you grab a handful of longan as a snack, you have to eat a lot of calories.

When ordinary people eat longan, they do not be particularly restrained or deliberately calculate calories. In fact, 24 longans are equivalent to the intake of fruits in a day, if you eat longan on the same day, it is recommended not to eat other fruits.

Contraindications for consumption:

1. People with fire in the body are not allowed to eat longan, such as lung fire, stomach fire, phlegm fire, liver fire and other patients, and people with ** diseases are not allowed to eat longan.

2. People with heavy dampness in the body should not eat longan.

3. Pregnant women should not eat longan, because after pregnancy, yin and blood are deficient, it is easy to produce internal heat, and there are symptoms of dry stool, fetal fever and premature birth, and liver meridian depression, so they should avoid eating longan.

4. It is best for gout patients not to eat longan to avoid causing joint swelling and pain. Especially when eating longan, you should avoid eating it with seafood, which can cause illness.

The above content reference:

People's Daily Online-Longan can nourish qi and blood, enhance memory, but these 6 kinds of people can't eat it.

People's Daily Online-Longan is easy to get angry when you eat more.

Place in a box, cover it with plastic, and place it in the shade. Or put it in the refrigerator with a fresh-keeping to be sealed, not in the freezer of the refrigerator, in the refrigerator, so it's fine.

In addition to the above preservation methods, in fact, you can also peel and dry the fresh longan, so that the free water of the longan can be removed, and only the crystal water remains, so that the longan will be much sweeter than before!

How to make dried longan (dried longan).

Material selection: Select fully ripe and complete fruits.

Cutting: Cut the fruit from the spike, leave the stem length of mm, and remove the broken fruit.

Soak in water: Put the fruit into the bamboo basket, soak the bamboo basket in clean water for 5-10 minutes, and wash off the dust.

Overshaking: pour the soaked fruit into a special cage, each cage is about 35 kilograms, sprinkle 250 grams of clean fine sand in the cage, hang the cage on a special wooden frame or waist-high branches, hold the end handle of the cage by two people, shake it rapidly for 6-8 minutes, so that the fruit is constantly tumbling and rubbing in the cage, and the husk can turn brown and dry. Sand shaking can make the husk thin and smooth, which is easy to dry, but the husk can not be ground too thin, otherwise the husk is easy to sink when drying.

Primary roasting: Spread the fruit evenly on the roasting stove, generally the thickness of the front of the stove is 17 cm, and the back edge is 11 cm. Each time can bake 300-500 kg of longan, fuel can be charcoal or dry branches, 8 hours after the spread of the turn.

It is divided into three layers: upper, middle and lower layers of baking, that is, the upper, middle and lower layers of longan are respectively loaded into the bamboo basket, and then the original longan in the upper layer is poured into the baking mat Baping, then poured into the middle layer, and finally poured into the lower layer. After 8 hours, perform a second flip in the same way as the first. After 3-5 hours of baking, it can be baked, and then stored in a basket after heat dissipation.

Re-baking: After 2-3 days of dry longan after initial roasting, the moisture of the kernel and pulp gradually spreads outward, and the moisture content on the surface of the pulp is higher than that of the first roasting, so it needs to be roasted again. When re-baking, it must be simmered, the time is about 12 hours, turn several times in the middle, when the fruit is pressed with fingers without juice flowing out, and the nucleus is chestnut brown when it is dissected, it can be baked, and it needs to be dissipated for 24 hours after roasting.

Cut the stem: Use scissors to cut off the stem of the dried longan.

Grading: Sift the dried longan fruit and grade it by size.

Packaging: Commonly used glued carton packaging with good sealing, lined with plastic film. Shake while loading to make the filling firm. Each box contains about 30 kilograms, and finally the plastic bag mouth is sealed, nailed and sealed with the lid.

Method steps.

Keep in the refrigerator. Everyone may have this consciousness in life, all the things that can't be eaten, one: throw away (definitely feel bad things); Two: Stuff it in the refrigerator. Then longan is no exception, everyone can't finish eating, you can put it in the refrigerator casually.

Bubble box preservation.

Many people use foam boxes to preserve things, especially in the process of transportation, which is very widely used, so it is of course a good way to use it to preserve longan.

Keep it in a plastic bag.

Fresh-keeping bags are generally not used to preserve things, but it is still good to use it to preserve dried longan, just dry the longan and put it in the fresh-keeping bag.

Cabinet to save (should desiccant).

It is very common to put the wrapped dried longan in the cabinet for preservation, and its advantages are: simple, you can take it out and eat it if you want to eat it.

Cellar preservation. If you really buy too much and can't put anywhere, then put it in the cellar, the cellar is very large, and the preservation effect is good. It's for the best.

1. Fresh longan is sealed in a plastic bag and put in the refrigerator, not in the freezer in the refrigerator, in the refrigerator, so it's fine. Remember to eat fresh longan as soon as possible to prevent it from spoiling.

2. You can also take the fresh longan to dry and store it.

3. Put the dried longan in a box, cover it with plastic, and then put it in a cool place.

Supplement longan, (Latin scientific name: Dimocarpus longan lour.).Also known as longan, puzzle, evergreen large tree, tall tree.

7 August: Harvested when the fruit is ripe and yellowish-brown. It is a plant of the Sapindaceae family, and the fruit is eaten raw or processed into dried products, and the meat, core, skin and root can be used for medicinal purposes.

Do you know how to preserve fresh longan? Let the young lady teach you how to extend the shelf life of fresh longan.

Lychee preservation strategy! Lychee preservation is more than just putting it in the refrigerator.

Hello, the longan storage time is generally about 10 days, put the longan in the carton, put the carton in a dry, cool, ventilated place, can be stored for ten days. Or put it in a clasp crisper box and put it in the refrigerator freezer, which can also be stored for ten days.

It can be made into dried longan ......Just cook it first and then dry it.

How to save:

1. Fresh longan is more suitable for refrigerated storage in an environment of 4-6 degrees Celsius, at this temperature, fresh longan has life to breathe, but consumes very little energy. It should not be stored in a sealed plastic bag, but should be stored in a mesh plastic bag to facilitate its breathing.

2. Put it in a box, cover it with plastic, and put it in a cool place. It can also be kept in the refrigerator and kept at a constant temperature.

Fresh longan can be kept fresh for a long time by refrigerating it in an environment of 4-6 degrees Celsius, wrapping it in plastic wrap, and making a few holes. With this storage method, fresh longan can be stored for about 15 days.

This can be placed in the refrigerator, or in a dry, ventilated and cool place.

Fresh longan is best kept refrigerated at low temperatures.

Longan is one of the fruits we often eat, many people like to eat longan in winter, the nutritional value of longan is very high, and there are many benefits of eating longan. But not everyone is suitable for eating, because longan is rich in sugar, protein, trace elements and vitamins.

Longan can also be called longan, but generally longan is a dried product after longan processing, autumn and winter are especially suitable for eating longan, fresh longan is sealed in a fresh-keeping bag and put in the refrigerator, do not put it in the freezer in the refrigerator, in the refrigerator, so it's good. Remember to eat fresh longan as soon as possible to prevent spoilage.

How to preserve longan

Fresh longan can be dried and preserved. Sun-dried longan is preserved for a long time, and it will also have a unique flavor. Sun-dried longan should be placed in a box, covered with plastic, and placed in a cool place. It is necessary to check the mountain frequently to prevent mold, insect moth, etc.

The nutritional value of longan is very rich, it contains a variety of nutrients, and eating longan often has a perfect effect. Generally, large fruit stores have a large amount of longan in it, and they all use low-temperature storage methods. The low temperature environment can reduce the respiration intensity of the fruit, and effectively imprint the activity of enzymes, so as to achieve the best preservation.

Fresh longan is best kept refrigerated at low temperatures. It is recommended to use a fruit wrapping net to preserve the longan and facilitate its respiration. Avoid storing longan at high temperatures, which will make it easy to rot and sprout.

Try not to keep the celery rotten for a long time, otherwise it will affect the quality and taste of the longan pulp.

Longan is what we usually call longan, but longan is obtained after the longan is dried in the dust, and there is no difference between the two in essence.

Longan has a very long history, high nutritional value, and has a certain nourishing effect, and was listed as a special tribute to the court in ancient times.

Longan is native to the south and southwest of China, and is now mainly distributed in Guangxi, Guangdong, Fujian, Qingshouchan and Taiwan.

At a temperature of 4-5 degrees, longan is also called longan, which is a tropical fruit and is not suitable for being placed in the refrigerator. If you can't make such a low temperature, you can choose to put it in the refrigerator, put it in the bottom trough, and wrap the longan with plastic wrap to avoid water loss. And put the longan in the refrigerator, eat it within 3 days as soon as possible, the taste is almost still there, the longer the time, the worse the taste.

Further information: Longan, also known as longan, is a fruit. It is warm and sweet, beneficial to the heart and spleen, replenishes qi and blood, has a good nourishing and nourishing effect, and can be used for insomnia, forgetfulness, palpitations, dizziness and other symptoms caused by heart and spleen deficiency and lack of qi and blood.

Longan is a green tree with a constant key, the tree body is tall, mostly even-numbered pinnate compound leaves, the leaves are opposite or alternate, the panicles are apical or axillary, the fruit is spherical, the seeds are black and shiny, the flowering period is 3-4 months, and the fruiting period is 7-8 months.

There are two ways to preserve fresh longan: refrigerator preservation, air circulation preservation, and plastic bag preservation.

1. Refrigerator preservation method beam and.

Put fresh longan in a crisper bag, seal it well, and put it in the refrigerator freezer where it can be stored for 3-5 days. If you need to keep it longer, you can put it in the freezer and keep it frozen, which can be stored for several months.

2. Air circulation preservation method.

Placing fresh longan in a well-ventilated area, such as a balcony or window, allows air to circulate, reduces bacterial growth, and prolongs the preservation of longan.

3. Plastic bag preservation method.

Put fresh longan in a plastic bag, seal it well, and put it in a cool and ventilated place where it can be stored for 2-3 days. If you need to store it for a longer time, you can add a small amount of desiccant or preservative to the plastic bag to extend the storage time.

How to choose longan

1. Appearance: When choosing longan, first observe the appearance. A good longan has a uniform color and smooth skin, with no obvious breakage or depression. If black or green spots appear on the peel, it is spoiled and can no longer be eaten.

2. Feel: Hold the longan in your hand and feel the feel. A good longan feels slightly hard to the touch, but not dry hard, and if it has a soft feeling, it means that it is ripe or spoiled.

3. Smell: Smell the smell of longan. A good longan has a faint fragrance, if there is no fragrance or peculiar smell, it means that it has deteriorated.

4. Size: When choosing longan, pay attention to the size. Good longan is evenly sized and full in shape, don't choose longan that is too small or too large as these may not grow naturally.

5. Pulp: Cut the longan and observe the pulp. Good longan flesh is uniform in color, yellow oak or white, the flesh is full, and the taste is delicious. If the flesh is discolored or has a bad taste, it has gone bad.