First, the astringency removal method for hard persimmons
1. The astringency removal method with warm water: soak the hard persimmons in water with a temperature of 35-4 degrees for 16-18 hours to remove astringency, but eat the astringent persimmons as soon as possible, otherwise it will easily lead to persimmon rot for a long time.
2. Persimmons can be soaked in warm water at room temperature for 5-7 days in the south. As before, they should be eaten as soon as possible to avoid rotten fruits.
3. Method of removing astringency with lime water: according to the amount of 7 kilograms of quicklime used for 1 kilograms of persimmons, first add water to the quicklime and stir it into lime milk (subject to the persimmon submerged by lime water), and keep the temperature within the range of 2-25 degrees, and the astringency can be removed in about 3-4 days.
second, the method of removing astringency of soft persimmons
1. Mix persimmons with other mature fruits such as apples and pears and put them in a secret room for 5-7 days.
2. Deastringency of alcohol: In a closed room or container, spray some 75% alcohol on persimmons, cover them with plastic film, seal them, and leave them at 2 degrees for about 9 days.
3. Ethephon treatment method: spray persimmons with 25-5ppm Ethephon solution and .2% washing powder as a spreading agent, and put the persimmons sprayed with washing powder as a spreading agent indoors, and the astringency can be removed in about 3-5 days.
Persimmon preservation methods
1. Store in a ventilated and cool place
The easiest way is to store persimmons in a ventilated and cool place. Generally, hard persimmons can be stored in a naturally ventilated place for 2-5 months, and they should be eaten immediately after softening.
2. Refrigerate in the refrigerator
Persimmons should be stored at about 1 degrees. In order to control the temperature, they can be stored in the refrigerator for a long time.
3. Set up an open-air shelf
To set up an open-air shelf, you should choose a high place and set it in a cool place. You can set up a shelf with a height of 1 meter, and the length and width can be decided by yourself. Spread several layers of straw on it, and then put the persimmon on the shelf. If the temperature is lower than ℃, you need to cover it with straw to keep warm.
4. Vacuum bag
Wipe the surface of persimmon without water, then put it in a vacuum bag, evacuate the air and put it in a dry and ventilated place.