Can you eat dried longan after three years, and can you still eat dried longan after almost a year

Dried longan. The efficacy and role are still more, and it is also conducive to the health of the body, even if it is put for a long time, as long as it is not deteriorated, it can also be eaten, as long as the aged longan is well preserved, there is no bad can be taken, due to the long time, the color of the meat must be black. However, all foods have an expiration date, and aged longan should not be left for more than several years.

How long can longan be stored at room temperature has a lot to do with the quality of longan, better quality longan can be stored for 3 4 days, stale longan can only be stored for 1 2 days, if it is sun-dried longan, it can be stored at room temperature for 10 15 days. Whether it is fresh or dried longan, it is necessary to take the correct storage method to avoid mold and deterioration. Refrigerator refrigeration Refrigerator refrigeration is one of the commonly used food storage methods, put longan in the refrigerator for refrigeration, which will not destroy the nutrients it contains, but also prolong the shelf life, generally speaking, fresh longan can be stored for 5 7 days, while dry longan can be stored for about 1 month.

Can you still eat longan if it is bad 2 It is not recommended to eat it. Longan contains a lot of water, sucrose, glucose.

and other ingredients, if not stored properly, it is easy to mold, rot, spoiled longan breeds more bacteria and microorganisms, after eating may cause gastrointestinal discomfort, and the spoiled longan is low in nutrition, the taste is also poor, so it is not recommended to eat. How to tell if the longan has deteriorated 3 The surface of fresh longan is dark yellow, the peel feels muddy and sandy, and it will exude a sweet fruity aroma, if it is a spoiled longan, it will emit a sour smell and rotten taste, and the surface color is bright yellow, and the peel is sunken or there are mildew spots on it. The dried longan peel is brittle, if it is pinch up and is moist and soft, it may be spoiled, in addition, dried longan is easy to be moth-eaten, if you find that there are worm holes, insect eggs, etc., it is not suitable for consumption.

You can taste it, the taste remains the same, you can eat it, and if you keep it properly, the dry food will last for a long time.

If you can eat it, as long as you put the dried longan in the refrigerator, you can still eat it after three years.

The method of how to quickly dry the longan that you can't eat is as follows:

Step 1: Cut the branches and leaves with scissors, cut them off one by one, and pay attention to the roots.

Step 2: Clean.

Step 3: Boil a pot of water and let it cool, about five minutes, the water is about 80°.

Step 4: Put the cleaned longan into the dried water and scald it for five minutes, you can't use boiling water, the longan eyelid will explode if it is too hot.

Step 5: Blanched longan with a cloth to absorb the surface moisture, peel one off at this time to see, in fact, the meat has been scalded.

Step 6, then use the iron box, the longan is draped on it, useless can also be ignored, I think the iron exposure will be hotter, the longan, to continue to be exposed, in fact, the last is 60-80 ° is the most suitable.

Step 7, so when you are sunning, you should first look at the weather forecast, and if you continue to be exposed to the sun for a week, you will have this effect.

It is best to choose Zhengyang to be exposed to the air and turn it once every three hours, and the method is as follows:

1. Don't take it all off, dry the longan, don't take it all off. It should be noted that longan is best left on the branches.

2. It is best to hang the longan in the sun, because it is best not to lay it flat.

3. It is best to place the longan in a place with strong light. Use air-drying first and then continuous exposure, and the moisture is the best.

4. It is best to select the broken longan before drying the longan. It should be noted that in addition to selecting the broken longan, it is also necessary to remove all the leaves on the longan.

5. Make sure that the longan does not get wet before drying the longan. In addition, it should be noted that it is better to choose large-grained mature longan.

You can eat it if it has not spoiled.

The grade of dried longan is divided according to the size, which is generally carried out before hanging yellow, and is divided according to the size of the hole sieve with a special grading sieve. Traditionally, Quanzhou bubble circle is divided into four grades: large bubble, medium bubble, small bubble and bottom bubble; Xinghua (Putian) longan stem is divided into three circles, four circles, five circles and medium circles 4 grades, the small fruits below the middle circle are equal fruits.

There is a big difference between the dry and bad of longan. The appearance of high-quality dried longan is round in shape, beautiful in color, and the shell is concave, hard and brittle. There is no "bell" phenomenon when shaking, the outer skin of the kernel is separated from the kernel, and the shaking energy is slightly moved, which is called "internal ring", which is a good performance of dryness.

The flesh is thick, bright in color, sweet in taste, there is a layer of very fine wrinkles on the surface of the flesh, the meat and the core are easy to peel off, there is no residue after chewing, and it is resistant to cooking. The water content of the pulp should be less than 25%, generally between 15% and 19%.

1 depends on the preservation.

1. Storage at room temperature: The shell of longan itself can isolate most of the bacteria and microorganisms, so even if the longan is leaked at room temperature, it can be stored for about a week.

2. Refrigerated storage: But if it is stored in the refrigerator, low temperature can inhibit the growth and reproduction of bacteria and microorganisms, so it can be stored for about half a month.

3. Sun-dried preservation: If the longan is dried into longan, then the storage time will be longer, because the food that does not contain water is not easy to breed bacteria and microorganisms, so if it is dried, it can be stored for about a year.

2 depending on the situation.

Longan is rich and contains moisture, and the skin is thin, so it is soft and elastic under normal circumstances, so as long as the longan is not pinched and rotten, it can be eaten normally.

However, if in addition to softness, longan also has juice overflow, sour, smelly, alcohol-smelling, rotten, mildew and other abnormal conditions, it means that the longan has deteriorated and can no longer be eaten, otherwise it may cause harm to health.

3. Depending on the situation.

Generally speaking, longan can be eaten normally when it is dried, and such dried longan, the active ingredients can be concentrated, and the health care value will be higher, but the longan is usually dried through sterilization steps such as boiling water boiling and high temperature exposure.

If the longan is lost in water and dried out during the preservation process, it is generally not recommended to eat, because if the longan dries out without any treatment, it is likely to produce harmful bacteria and microorganisms, which may cause harm to health after eating, causing abdominal pain, diarrhea and other gastrointestinal discomfort, so it is not recommended to eat.

4. It is recommended to eat fresh longan directly, and it is recommended to soak it in water for dried longan.

Because fresh longan is rich in water, the taste of direct consumption is better, and the active ingredients in dried longan are concentrated, and the health care effect becomes stronger, so the amount of consumption is controlled.

Fresh longan can be dried directly. Fresh longan drying is divided into 4 steps, and the following is the detailed operation of fresh longan drying:

Steps.

Blanch the longan in boiling water for 5 seconds.

Blanch the longan with branches and leaves in boiling water for 5 seconds.

Longan is placed in the sun to burst into the sun.

Put the scalded longan in the sun for 12 hours.

Longan peels off the shell and pit.

Peel off the shell of the sun-dried longan and remove the pit.

Expose the pulp to the sun.

Put the peeled flesh in the sun and fry until golden brown.

You can't eat it, but don't eat it for the sake of your health.

Dried longan, also known as puzzle and longan meat, is a ripe fruit that has been dried for longan. It is flat in nature, sweet in taste, contains thiamine, riboflavin, niacin, ascorbic acid and other chemical ingredients, which has the effect of nourishing qi and blood, calming the nerves, nourishing blood and stabilizing the fetus. It is suitable for insomnia, forgetfulness, spleen deficiency, diarrhea, lack of energy and other symptoms.

The dried meat of longan is generally dark, so if it turns black, it should not affect the consumption, for the sake of caution, you can taste a little bit first, if there is a peculiar smell, you should spit it out immediately and no longer eat. 

How to keep longan fresh.

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.

Who should not eat longan.

1. For asthma patients with heat, it will cause pulmonary fever and cough.

2. Those who are hot, phlegm, suffering from ** disease, and stomach distension (liver fire), please remember not to eat more longan.

3. When the external sensation is at the beginning, it is necessary to avoid longan, because this warm and sweet fruit may trap the internal heat and delay the disease.

4. When coughing, whether it is a cold cough or a hot cough, please also avoid longan, because the characteristics of longan can make the internal heat more abundant and the deficiency cold upgraded.