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A cherry and process technology, applied in the field of freeze-drying, can solve the problems of failure to accurately control the heating temperature by gradient, high drying rate of finished products, and high energy consumption, so as to achieve no loss of nutritional value and medicinal value, ensure consistency, and ensure The effect of uniformity
Inactive Publication Date: 2016-07-13
JIANGSU BOLAIKE FROZEN TECH DEV CO LTD
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Problems solved by technology
[0002] In the prior art, cherries are mostly processed by drying, but by drying, the nutrients in the cherries will be lost more, and the nutritional value of the cherries cannot be guaranteed. In order to fully retain the nutritional value of the cherries, there have also been Freeze-drying technology ...
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Embodiment 1
[0028] Embodiment 1, cherry freeze-drying process, comprises the following steps,
[0029] Step 1: Picking, picking cherries with a maturity of 80-90%, removing the stems from the cherries and placing them in a cool place;
[0030] Step 2: Cool down, remove rotten fruit and abnormal-shaped fruit, wash the remaining cherries under constant temperature conditions, drain the surface water and remove the pits, then cool under the condition of 0-6°C, and then use paper towels Cover the cherries to keep warm and prevent ash;
[0031] Step 3: Keeping fresh, place the cherries in step 2 in the fresh-keeping liquid at room temperature, the mass ratio of the fresh-keeping liquid to the cherries is 3:2, and the soaking time is 10 minutes, then remove the cherries from the fresh-keeping liquid, and drain the surface liquid;
[0032] Step 4: Put the cherries in step 3 into a fresh-keeping bag and seal it, and then place it in a freezer at a temperature of -1°C and a relative humidity of ...
Embodiment 2
[0047] Embodiment 2, cherry freeze-drying process, comprises the following steps,
[0048] Step 1: Picking, picking cherries with a maturity of 80-90%, removing the stems from the cherries and placing them in a cool place;
[0049] Step 2: Cool down, remove rotten fruit and abnormal-shaped fruit, wash the remaining cherries under constant temperature conditions, drain the surface water and remove the pits, then cool under the condition of 0-6°C, and then use paper towels Cover the cherries to keep warm and prevent ash;
[0050] Step 3: Keeping fresh, place the cherries in step 2 in the fresh-keeping liquid at room temperature, the mass ratio of the fresh-keeping liquid to the cherries is 3:2, soaking time is 20 minutes, then remove the cherries from the fresh-keeping liquid, drain the surface liquid;
[0051]Step 4: Put the cherries in Step 3 into a fresh-keeping bag and seal it, and then place it in a refrigerator with a refrigeration temperature of 0°C and a relative humid...
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Abstract
The invention relates to a cherry freeze-drying process. The process comprises the following steps: picking cherries with the ripeness of 80-90 percent, removing fruit stems of the cherries, and placing the cherries in the shade; removing rotten fruits and special-shaped fruits, cleaning the residual cherries under constant temperature conditions, draining off the surface moisture, and performing kernel removal treatment; adding the cherries in normal temperature fresh-keeping liquor, taking out the cherries from the fresh-keeping liquor, and draining off the surface liquid; filling the cherries into a preservative bag and sealing, and placing the bag in a refrigerated cabinet; sequentially stacking the cherries on a tray, wherein the stacking thickness of the cherries on the tray is 1-2 layers; putting the cherries stacked on the tray in a subzero storage or on a radiant panel with a refrigeration function for performing quick-freezing treatment to the center, and putting the cherries into a freeze-drying warehouse; and starting a heating circulating pump, and controlling the temperature of the radiant panel, so that the temperature of the cherries gradually returns to 20-30 DEG C; and stopping equipment operation, opening the freeze-drying warehouse door, taking out the cherries and warehousing. The process disclosed by the invention has the characteristics of good preservation effect, long time, capacity of performing uniform freeze-drying, good freeze-drying effect and the like.
Description
technical field [0001] The invention relates to the technical field of freeze-drying, in particular to a cherry freeze-drying process. Background technique [0002] In the prior art, cherries are mostly processed by drying, but by drying, the nutrients in the cherries will be lost more, and the nutritional value of the cherries cannot be guaranteed. In order to fully retain the nutritional value of the cherries, there have also been Freeze-drying technology is adopted, but the existing freeze-drying technology can only adopt a single-layer tiling process, and the drying process does not achieve gradient and precise control of heating temperature, resulting in low yield and high shriveled rate of finished products (≥8%) ), high energy consumption in the production process. Contents of the invention [0003] In view of the above technical problems, the present invention provides a cherry freeze-drying process with good fresh-keeping effect, long time, uniform freeze-drying ...
Claims
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Application Information
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