Fruit storage characteristics of citrus
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Citrus fruit is native to subtropical areas, and its storage temperature is higher than temperate fruit and lower than tropical fruit. Such as oranges 3 ~ 5 °C, orange 6 ~ 9 °C, lemon 12 ~ 14 °C, Guangdong banana Orange 7 ~ 9 °C, 0 ~ 12 °C. Citrus harvesting period is generally from October to January of the following year. The storage period is also in winter and early spring, and the climate is cool. For example, the average winter temperature in Guangdong Province is about 10-17°C. Therefore, almost all of our country stores citrus fruits at room temperature. Tank storage, sand storage, general warehouses, underground storage, and ventilated storage are all methods of natural low temperature storage.
Oranges generally use higher relative humidity, such as the storage of sweet oranges in the cellar in Nanchong, Sichuan Province, and the relative humidity is above 95%. The underground storehouse of Xiangyang County in Hunan stores oranges with relative humidity of about 95%. U.S. storage of sweet oranges, lemons, grapefruits, etc. uses 85% to 90% relative humidity. The broad-leaved citrus fruits, due to their tendency to produce dry water in a high-humidity environment, generally use relative humidity of about 80% to 85%.