Preparation method of dendrobium freeze-dried powder
A technology of freeze-dried powder and Dendrobium powder, which is applied in the direction of freeze-dried transportation, medical preparations containing active ingredients, powder transportation, etc., which can solve the problems of content reduction and heat-sensitive nutrient destruction, and achieve fast absorption and no solvent pollution Or residual, the effect of simple preparation method
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[0031] The invention provides a preparation method of freeze-dried dendrobium powder, which comprises the following steps:
[0032] Step 1. Use ultra-high pressure and low temperature technology to break the walls of fresh Dendrobium raw materials;
[0033] Step 2: After the broken fresh Dendrobium raw materials are refined and mixed uniformly, vacuum freeze-drying is used to obtain Dendrobium powder; the vacuum freeze-drying process specifically includes: sequentially pre-freezing the refined and mixed Dendrobium raw materials , The first sublimation and the second sublimation;
[0034] Step three, the Dendrobium powder is subjected to ultrafine grinding treatment.
[0035] The preparation method of the freeze-dried Dendrobium powder of the present invention adopts ultra-high pressure and low temperature technology to break the wall, so that the cell wall and cell membrane of the fresh Dendrobium are lysed, the medicinal ingredients are fully released and the activity of the medicina...
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[0055] Example 1
[0056] A preparation method of freeze-dried dendrobium powder includes the following steps:
[0057] Step 1: Acceptance of Dendrobium raw materials: Dendrobium copper-skinned Dendrobium is produced in Huaping County, Lijiang City, Yunnan, and is fresh Dendrobium.
[0058] Step two, selection and cleaning: select the dendrobium without damage and mildew, and remove the leaves; then rinse the dendrobium with pure water.
[0059] Step 3: Breaking the wall: using ultra-high pressure and low temperature technology to lyse the cell wall and cell membrane of Dendrobium, fully release the medicinal ingredients and maintain the activity of the medicinal ingredients, which can well protect the bright color of Dendrobium. The processing conditions of ultra-high pressure low temperature technology are: a certain volume of cold water is filled in an ultra-high pressure vessel, the pressure of the vessel is 450 MPa, the pressure is maintained for 1 min, and the temperature is 60 ...
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[0069] Example 2
[0070] A preparation method of freeze-dried dendrobium powder includes the following steps:
[0071] Step 1: Acceptance of Dendrobium raw materials: Dendrobium sclerosus is produced in Ziyun County, Guizhou Province, and is fresh Dendrobium.
[0072] Step two, selection and cleaning: select the dendrobium without damage and mildew, and remove the leaves; then rinse the dendrobium with pure water.
[0073] Step 3: Breaking the wall: using ultra-high pressure and low temperature technology to lyse the cell wall and cell membrane of Dendrobium, fully release the medicinal ingredients and maintain the activity of the medicinal ingredients, which can well protect the bright color of Dendrobium. The ultra-high-pressure cryogenic technology processing conditions are: a certain volume of cold water is filled in an ultra-high-pressure vessel, the vessel pressure is 480MPa, the pressure is maintained for 2 minutes, and the temperature is 55°C.
[0074] Step 4. Refining and mix...
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