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The storage characteristics of pineapple
Pineapple, like mango and charcoal, is more sensitive to low temperatures, but the difference is that pineapple is a non-respiratory peak fruit with no apparent maturation. The storage of pineapple fruit is closely related to the maturity of harvest. The higher the maturity, the poorer the storage of pineapple. However, immature fruit is hard and brittle, and lacks the inherent flavor of the fruit. About eight mature pineapples are most suitable for storage and transportation. The relationship between the storage tolerance of pineapple fruit and storage conditions is also very close. Pineapple is vulnerable to chilling injury. The risk of chilling is below 7°C. The symptoms of fruit after cold injury are: darker fruit, water-stained fruit, blackened heart, especially vulnerable when the fruit is removed from the storage. The bacteria infested and rotted. If it is used at normal temperature, it can be transported on an ordinary road for 4 to 5 days. If it needs long-distance transport, it needs to be chemically sterilized, or a refrigerated truck is used for temperature-controlled storage and transportation. The suitable conditions for the storage and transportation of pineapples are: the temperature is about 10°C and the relative humidity is 85% to 95%. Under this condition, the storage period can reach 2 to 4 weeks due to different species. If stored at 7 °C and containing 2% oxygen in the air-conditioned condition, the mold can be inhibited and the appearance of the fruit can be improved to achieve a better preservation effect.