Persimmon flesh can easily become soft during storage and has a high rot rate. At present, the main Application of natural cryogenic storage or rapid freezing to extend the storage period and reduce the loss of decay. 1. Natural low-temperature frozen storage: Choose a well-ventilated home garden and site, and dig the shallow ground after leveling the ground. The depth and width of the ditch are 0.2-0.3 meters each, and the distance between the ditch is about 0.2 meters. The excavated soil is stacked on one side of the ditch along the length of the ditch. Then, the eucalyptus foil or thorium stalk foil is laid on the ditch, and the number and length of the ditch can be determined according to the storage amount. Frozen persimmons are generally harvested when frost falls. After harvesting, select the persimmon that is free of pests and diseases, has no mechanical damage, does not rot, and has a hard flesh, and is placed on a eucalyptus foil or alum foil. Thickness of 4 to 5 layers. To prevent sun exposure, cover with soft thatch. As the temperature decreases, the persimmon freezes. After being frozen, it needs to be thickened and covered, and the covering can be made on the spot, such as persimmon leaves, thatch, and corn stalks. Cover thickness 0.3-0.4 meters. It should be sold before the thawing of persimmons, which can not only adjust the supply of fruit in the off-season but also facilitate transportation. 2, frozen storage: the persimmon harvested when the frost, after selection, placed in -25 ~ -30 °C quick-freezing room, so that it quickly frozen and then placed in -18 ~ -20 °C warehouse for long-term storage.
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Pharmaceutical Ampoules
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