Litchi is a kind of fruit with rich nutritional value. It is a tribute to ancient imperial families and nobles, so it is loved by many people. However, it should not be kept for a long time, and it may not be edible after a day or two in case of improper preservation. So how to preserve fresh litchi? Follow Xiaobian to understand.
How to keep litchi fresh?
Cut off the long lychee stem, then put the lychee into a plastic bag, tie the bag tightly and place it in a cool place. If possible, the plastic bag containing litchi can be immersed in water. In this way, the color, fragrance and taste of litchi remain unchanged after a few days. It should be noted that fresh lychees should be selected for long-term preservation.
Wormwood leaf also has effect on prolonging the storage time of litchi, because wormwood leaf has the function of sterilization and antisepsis, in addition, the method of heating and exhausting is also a good preservation method. First put the pulp into the jar, add sugar water, then put it into the exhaust box for heating and exhaust, then seal the jar, then put it into boiling water to boil, and then cool it to be canned litchi. Because of the high temperature treatment, bacteria can not survive. It provides a new method for litchi preservation.
It can also be stored in the refrigerator. Under normal temperature, litchi can be kept fresh for no more than one week, and the low-temperature preservation period can be extended for about one month. If you sell it, the time is also feasible. However, it can only be kept at - 18 ℃. Low temperature preservation is the best way to help us extend the use time of litchi. It is also a very good way to store litchi in fresh-keeping cartons. A layer of sealing film can be coated on the surface of litchi, which can prevent oxygen from entering the interior of fruits and vegetables, prolong the aging process of litchi, and increase the fresh-keeping time of litchi.
Short term preservation method
1、 To keep litchi for several days without discoloration or deterioration, cut off the long stem of litchi, then put litchi in a plastic bag, fasten the bag mouth and place it in a cool place. If possible, the plastic bag containing litchi can be immersed in water. In this way, the color, fragrance and taste of litchi remain unchanged after a few days. It should be noted that fresh lychees should be selected for long-term preservation.
2、 In order to preserve the color and flavor of litchi, spray some water on litchi and put it into a plastic bag for preservation in the refrigerator. The litchi can be preserved at low temperature and high humidity (two to four degrees Celsius, 90% to 95% humidity). Extruding the air in the bag as much as possible can reduce the oxygen ratio to slow down the oxidation speed and improve the fresh-keeping effect.
Can litchi be frozen in the refrigerator? Litchi is best placed in the fresh-keeping area, not in the frozen area. It will break. If it is refrigerated in the refrigerator, it will be "frostbitten". The color of litchi's outer skin will darken, and some spots like scalded inner skin will appear, which can't be eaten any more. In addition, when litchi is placed in the environment of 0 ℃ for one day, its skin will turn black and its flesh will turn taste.
Litchi can be preserved for a week at 7 ℃ - 10 ℃, and about a month in the refrigerator.
Effect and function of Litchi
Lychee round roll looks very cute, peel one into the mouth, that sweet taste in the mouth diffuse. Litchi is not only delicious, but also good for human body. Now let me introduce the effect and function of litchi to you!
1. Litchi fruit pulp has the functions of Tonifying the spleen and liver, regulating qi and blood, warming the middle of the body and relieving pain, tonifying the heart and calming the nerves;
2. Litchi seed has the functions of regulating qi, dispersing knots and relieving pain;
3. Litchi can also significantly improve insomnia, enhance human immunity; at the same time, litchi also has certain efficacy and tonic effect;
4. Litchi stem with other ingredients after water decocting, for the treatment of anemia, asthma, spleen deficiency and other aspects are of great help.