Blueberry Lyophilizer
Blueberry lyophilizer
Blueberries are nutritious and healthy berries, but fresh blueberries are not easy to store or process into jams, drinks, etc. With the development of science and technology, blueberry dehydration and drying technology has evolved from the original single high-temperature drying (hot air drying) to the current low-temperature freeze-drying technology.
Blueberry Lyophilization Drying refers to a drying method in which fresh blueberries are frozen at a low temperature below the eutectic point temperature by food lyophilization equipment, and water in blueberries is removed by sublimation under vacuum state. Because the lyophilization process is carried out under low temperature and vacuum, the lyophilization of blueberries can not only retain the original active ingredients, color and flavor of fresh blueberries, but also have the advantages of complete dehydration, quick rehydration, light weight, and suitable for long-term storage and transportation at room temperature.
Blueberry lyophilized production process, including: 1, raw material selection, 2, raw material pretreatment, 3, pre-freezing, 4, vacuum freeze drying (freeze drying), 5, packaging.
Compared with the traditional high-temperature drying of blueberries, the hot air drying treatment, after a long time of high-temperature treatment, has a greater damage to the texture of blueberries and a compact structure. This structure also affects the hardness and chewability of the products, thus greatly reducing the quality of the products. Lyophilized blueberries can maintain the color, fragrance and taste of blueberries well, and have bright color, crisp taste, strong blueberry flavor, sweet and sour, which can not only be used as finished food, but also can be further processed after rehydration. Therefore, lyophilized blueberries have broad market prospects.
Parameter:
Model | KFD-20 | KFD-25 | KFD-30 | KFD-50 |
Tray area(m²) | 20 | 25 | 30 | 50 |
Input capacity(kg/batch) | 200 | 250 | 300 | 500 |
Min. cold trap temperature(℃) | <-45℃ | <-45℃ | <-45℃ | <-45℃ |
Vacuum degree(pa) | <10pa | <10pa | <10pa | <10pa |
Tray temp. | -35~+100℃ | -35~+100℃ | -35~+100℃ | -35~+100℃ |
Tray quantity | 18 | 22 | 18 | 28 |
Tray Size(mm) | 2200x600 | 2200x600 | 3300x600 | 3300x600 |
Cooling method | Water cooled | Water cooled | Water cooled | Water cooled |
Total power(kw) | 45 | 50 | 60 | 100 |
Total weight(kg) | 8000 | 9000 | 11000 | 20000 |
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