How were lychees preserved in ancient times? Can you really eat it if you keep it for half a year?

In ancient times, ice cellars were used to preserve lychees, but the preservation effect was not good, and it could not be stored for half a year.

There are two ways to preserve it, one is to pick the lychee and its leaves together and put it into a bamboo tube, then seal it with mud to use the humidity of the bamboo tube to keep it fresh. The other is to put the lychee into a double-layer box, put cotton in the middle of the box, and then put the box in the ice cellar to achieve the effect of refrigeration. But this can't be saved for half a year.

In ancient times, lychees should have been preserved by sealing and freezing in ice, and it was impossible to keep them for half a year and still eat them, at least the lychees had deteriorated.

In ancient times, only the royal family and nobles were entitled to lychee, and they spent a lot of manpower digging ice cellars, storing ice cubes in the winter and freezing fruits in the summer. You can eat it even if you keep it for half a year.

1. Lychees can be stored for a few days without spoilage.

2. Will the lychee go bad if it is left for a few days?

3. Will the lychee go bad if it is left for two days?

4. Will it be bad if the lychee is dug for a day?

5. Will lychees go bad if they are left at room temperature for three days?

6. How to keep lychee for a long time, the tung cover will not be broken.

1.Fresh lychees will not spoil within 3 days, while processed lychee products can be stored for at least 7 days.

2.Lychee contains a lot of water and sugar, which is easy to be polluted by bacteria, and its ripening time is relatively hot, which will speed up the reproduction of bacteria, so if you can't eat it and don't store it in time, it is easy to spoil.

Lychees can be kept fresh for no more than a week at room temperature, and the freezer freezer and low temperature preservation period can be extended by about a month.

Unpreserved lychee has the characteristics of "one day color change, two days of fragrance change, three days of flavor change, four days of color and fragrance are gone". In order to preserve the color and aroma of lychees, you can spray lychees with some water and put them in a plastic plastic plastic bag and put them in the refrigerator, and store them at low temperature and high humidity (2 to 4 degrees Celsius, humidity 90% to 95%). Squeezing out the air in the bag as much as possible can reduce the proportion of oxygen to slow down the oxidation rate and improve the effect of freshness.

Nutritional value of lychee.

1. The rich sugar contained in lychee has the effect of replenishing energy and increasing nutrition, and studies have proved that lychee has a nourishing effect on brain tissue, which can significantly improve insomnia, forgetfulness, fatigue and other symptoms;

2. Lychee meat is rich in vitamin C and protein, which helps to enhance the body's immune function and improve disease resistance;

3. Lychee contains a substance that has a hypoglycemic effect, which is very suitable for diabetic patients;

4. Lychee has the effects of reducing swelling and detoxification, stopping bleeding and relieving pain;

5. Lychee is rich in vitamins, which can promote blood circulation in the capillaries, prevent the occurrence of freckles, and make it smoother.

The above content refers to People's Daily Online--Try not to eat soaked lychees Eat the taboo of Li Zhi lychee.

1. Preservation at room temperature: Preservation at room temperature is the easiest way to preserve lychees, you can spray the lychees with some water in plastic, sprinkle some cold water or ice water every morning, noon and evening, and put them in a cool place so that the color and appearance may remain about 5.

2. Bundle and refrigerate: cut the bought lychees with scissors, like cutting grapes, cut them into pieces, leave short branches and tie them tightly with newspapers, and then put them in the refrigerator refrigerator, and it is no problem to put them for a week.

3. Immerse yourself in water: Of course, if you don't have a refrigerator, you can cut off the overly long lychee stems, then put the lychees into a plastic bag, tie the bag tightly, and place it in a cool place. If possible, the plastic bag containing the lychee can be immersed in water for at least three to five days.

4. Soak and dry: Regarding the correct preservation method of lychees, another is to soak fresh lychees in 2% sodium hypochlorite solution for about 2 minutes, then drain and dry, and put them in a carton for storage in a ventilated and dry place, which can generally be kept fresh for 7 10 days.

5. Put it together with mugwort leaves: Artemisia leaves also have an effect on prolonging the preservation time of lychees, because mugwort leaves have the effect of sterilization and antiseptic, so put a layer of fresh wormwood on the bottom of the container where the lychee is placed, and then spread a layer of fresh wormwood on the surface of the lychee, etc., which can keep the lychee fresh for a long time.

6. Making canned food: If you can't eat more lychee sets at home, another way is to make canned food, so that you can store it for a long time, and you can eat it whenever you want! The production method is generally to remove the shell and core, and soak it in light sugar water.

The taste and freshness are far from good, and they are often used as cold drinks or desserts.