How to preserve fresh jujubes and how to preserve fresh jujubes

How to preserve fresh jujubes:

After the fresh jujube is purchased, it is necessary to select the bad jujube with bruises on the surface or with black spots and insects to avoid the bad jujube containing mold from infecting other fresh jujube during storage.

The method of preserving fresh jujube at home generally uses the refrigerator, in the fresh jujube bought, the fresh and intact and the peel is not all red are picked out, sealed with a plastic bag, a small amount of air is left in the bag, and then sealed well, and then put in the refrigerator with a temperature of 0 -4 for refrigeration. When packing plastic bags, it is best to divide them into small bags, and each time you open a small bag to eat, you can keep the fresh dates for a little longer.

If you don't use the refrigerator to store it, you can also put the fresh dates in a fresh-keeping bag or fresh-keeping box, and then store them in a cool and ventilated place, so that you can maintain the freshness of the fresh dates.

If the quantity of fresh dates is large, the fresh dates to be stored need to be pre-cooled at a temperature of 5-8 for 1-2 days before refrigeration. After pre-cooling, the fresh jujube can be stored in a cold storage with a temperature of 0 -1 and a relative humidity of 90%-95%.

The method of preserving fresh jujube at home is generally to use the refrigerator, in the fresh jujube bought, pick out the fresh and intact fruit peel is not all red, and put it in the refrigerator with a temperature of 0 -4 to refrigerate.

If you don't use the refrigerator to store it, you can also put the fresh dates in a fresh-keeping bag or fresh-keeping box and store them in a cool and ventilated place, so that you can maintain the freshness of the fresh dates.

The preservation method of fresh jujube is as follows:

1. Cellar storage.

The farmer's cellar can also be used for short-term storage of fresh dates. Put the fresh dates harvested in time into thinner convenience bags, kilograms per bag, and the mouth of the bag should not be tied tightly, or 2 holes should be punched on each side of the bag to prevent carbon dioxide damage, which can keep the fresh dates fresh for a month.

2. Hidden in the shade and sand.

This method can keep fresh dates fresh for a month, in a cool and damp place, spread a layer of 3 cm thick wet sand, put a layer of selected fresh dates on top, then spread a second layer of sand, and put another layer of dates, so that the pile is 30 50 cm high. To prevent the sand pile from drying out, spray the sand pile regularly with a small amount of clean water.

3. Wine cellar. First, put the fresh jujube into the liquor, soak it, take it out immediately, put it in a porcelain or glass container, add wine after filling, then seal it, and store it in a cool and dark place. However, it is necessary to pay attention to the concentration to prevent the wine from becoming worse in jujube flavor.

If the amount of alcohol is insufficient, it will not play the role of sterilization and antiseptic. If you use sorghum wine to store fresh dates, the flavor is better. This can be stored for 4-7 months.

4. Refrigerate.

The method of home preservation is generally to use the refrigerator, pick out the winter dates that are not all red, seal them with a plastic bag, leave a small amount of air in the bag, seal them well, and then put them in the refrigerator with a temperature of 0 -4 for refrigeration. However, it is recommended that when packing plastic bags, it is best to divide them into small bags, so that you only need to open one small bag at a time to eat, and you can keep it for a longer time.

Long-term storage methods of fresh jujubes: 1. Pick out the bad jujubes before storage and choose shelf-stable varieties; 2. If there are more dates that need to be preserved, they should be pre-cooled first; 3. After the plastic bag is sealed, put it in the refrigerator for refrigeration, and the relative humidity in the plastic bag is kept above 90%.

Efficacy and role of fresh jujubes:

1. Fresh jujube can improve human immunity, and jujube can also inhibit cancer cells, and even make cancer cells transform into normal cells.

2. Fresh jujube is very rich in vitamin C, so people who regularly eat fresh jujube rarely suffer from gallstones, the principle is that jujube converts excess cholesterol in the body into bile acid, and the probability of stone formation is reduced when there is less cholesterol.

3. It also has a good tonic effect on people who are weak after illness.

4. The rutin contained in fresh jujube can soften blood vessels, thereby lowering blood pressure and preventing hypertension.

Fresh jujube avoidance crowd:

1. Abdominal flatulence: Eating too much fresh jujube will cause flatulence, abdominal distension and stagnation and pregnant women with abdominal distension are all contraindicated.

2. Menstruating women: fresh jujube is warm, and people with hot body should not eat more. Female friends with hot and dry constitution are not suitable to take fresh dates during menstruation, because it is likely to cause excessive menstrual bleeding and damage to physical health.

3. Patients with stomach disease: the skin of fresh jujube is hard and extremely difficult to digest, so it must be fully chewed when eating, otherwise it will aggravate the burden of the gastrointestinal tract and affect the absorption of nutrients.

4. Diabetic patients: Because the sugar content of fresh jujube is more, the sugar content is more than 20%, so if the diabetic patient does not eat excessively, it will damage the effect of pancreatic islets, cause blood sugar and urine sugar to rise rapidly, and aggravate the condition.

1. Natural preservation: first put the jujube in a clean carton, then place the carton in a dry and ventilated place, and turn the jujube in the box every once in a while. 2. Sun-dried preservation:

First, the fresh jujube is dried into red jujube or made into processed products such as drunken jujube and candied jujube to prevent the jujube from turning black in the process of drying, you can cover the jujube with a layer of cloth, dry it and put it in the tank, add a wooden lid, and put it in the bucket to cover it. <

1. Natural preservation: first put the jujube in a clean carton, then place the carton in a dry and ventilated place, and turn the jujube in the box every once in a while, if you find that it has been eaten by insects, you can remove it in time.

2. Drying and preservation: first dry the fresh jujube into red jujube or make it into processed products such as drunken jujube and candied jujube, in order to prevent the jujube from darkening in the process of drying, you can cover the jujube with a layer of cloth, put it in the jar after drying, add a wooden cover, or mix some plant ash, and put it in the bucket and cover it.

3. Cryopreservation: first pick out the fresh and intact and the peel is not all red, seal it with a plastic bag, leave a small amount of air in the bag, and put it in the refrigerator with a temperature of 0 -4 after sealing.