Food Freeze Dryers, Field Of Freeze Dryers

 Field of Freeze Dryers 

Food freeze dryers have been used in different fields, recently, there are newly developed moon cake that made out of freeze dried fruits, which is healthier than the normal ones.

The freeze drying technique was invented to be used in astronauts’ food, but it is becoming popular among food making industry as an innovated technique.

In order to remain the original flavor of fruits, freeze dryers are used to process fruits. Since the sublimation of moisture is under low-temp and low pressure conditions, the color, flavor and nutrients can be well preserved. Also, since the moon cake has low moisture level, even without any addictives, the shelf-life is long.

Apart from that, yogurt can also be processed into solid state by using freeze dryers. Yogurt is made out of fresh milk,  the traditional method has several steps as fermentation, mixing, dilution, extrusion, and drying, Or the leben that already ferment pours into sweet milk inside, after heating the sweet milk to boil, pour into mold again, squeeze yellow water with gauze, and therefore the yogurt slice is made.

However, the traditional method of making yogurt slice, due to the high-temperature involved, the nutrients inside yogurt is easy to be damaged. In this case, freeze drying is suitable for making freeze dried yogurt slices.

Freeze dryer, also known as lyophilizer, can be used widely, for example, it can be used to freeze dry fruits, meat, vegetables and so on.

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