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Blueberry Drying Process

2022-11-26

Blueberry fruit is rich in nutrients, which has the functions of preventing brain nerve aging, protecting eyesight, strengthening the heart, anti-cancer, softening blood vessels, enhancing human body immunity, etc., and has high nutritional components. Therefore, it is very important to master the correct drying process of blueberries. He can ensure that the nutrients of blueberries are not destroyed, and can extend the shelf life of blueberries!


Blueberry drying process


The drying process of blueberries takes up to 20 hours, and the skin must be treated, otherwise the water in the middle should not evaporate, and the high sugar content of blueberries is easy to lock the water. The drying process needs to be completed through 3-4 procedures, and the intermediate process needs to use The stand-by mode stops without moving out of the drying room, but the drying system no longer heats up, and just allows the air passage to circulate, allowing the blueberry moisture to permeate naturally in the drying room.


Taking a 3P air energy dryer to dry 500 catties of fresh blue poison as an example, the drying room is 3.5 meters long, 2.2 meters wide and 2.2 meters high. Blueberries are dried in three stages: in the first stage, set the drying temperature to 45°C, relative humidity to 12%, drying + strong dehumidification mode, and dry for 8 hours. In the second stage, set the drying temperature to 55°C, relative humidity to 12%, drying + dehumidification mode, and dry for 6 hours. In the second stage, set the drying temperature to 65°C, relative humidity to 12%, drying + dehumidification mode, and dry for 4 hours.

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