Cooling and refreshing method of zizania aquatica

Abstract

The invention relates to a cooling and refreshing method of zizania aquatica. The cooling and refreshing method comprises the following main steps: picking and cleaning; ozone disinfection; ventilation and airing; precooling; subpackaging and boxing; low-temperature storage and the like. A low-temperature storage chamber is used for refreshing storage in a low-temperature and high-humidity refrigeration storage with the temperature being 0-2 DEG C and the humidity being 98%-100%; the low-temperature and high-humidity refrigeration storage adopts a temperature-humidity adjusting device of a heat-recovery type water-air heat exchanger, and is provided with the water-air heat exchanger; ice water in an ice storage pool is sprayed on fillers of the water-air heat exchanger; outside air is used for reducing the temperature, increasing the humidity and exchanging the heat in the water-air heat exchanger so as to realize humidification and cooling for the air; and low-temperature and high-humidity gas is conveyed to the refrigeration storage by a fan so as to carry out temperature reduction, humidity maintenance and cooling on the zizania aquatica in the refrigeration storage. The cooling and refreshing method has the advantages that the quality of the zizania aquatica stored according to the method is not obviously reduced, so that the cooling and refreshing method is a good method for prolonging the storage period of zizania aquatica.

Description

technical field

[0001] The invention relates to a fresh-keeping method for fruits and vegetables, in particular to a cooling and fresh-keeping method for wild rice stems. Background technique

[0002] Zizania, also known as Zizania melon, Zizania bamboo shoots, and wild rice head, is native to China and Southeast Asia. It is a perennial swamp herbaceous plant in the Poaceae family. It likes wet swamps and survives the winter with its perennial roots. At present, there is a large area of ​​cultivation in China, especially the largest cultivation area in the Yangtze River Basin, and the annual production of wild rice stems in Jiangsu ranks first in the country. Asparagus is delicious and nutritious, and is deeply loved by people. Its harvesting and listing periods are mostly in May-June and August-October, and the off-peak season is obvious. Although wild rice stems are watery and tender, they are not resistant to storage after harvesting, and are prone to problems such as y...

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